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24 January, 01:13

The sum of 4 consecutive integers is 198. What is the fourth number in this sequence.

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  1. 24 January, 02:23
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    Let x, x+1, x+2, x + 3 are the numbers

    so

    x + x + 1 + x + 2 + x + 3 = 198

    4x + 6 = 198

    4x = 198-6

    4x = 192

    x = 192/4

    x = 48

    x + 1 = 48 + 1 = 49

    x + 2 = 48 + 2 = 50

    x + 3 = 48 + 3 = 51

    proof

    48 + 49 + 50 + 51 = 198

    so the numbers are 48, 49, 50, 51

    fourth number in this sequence is 51
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