CEMC Euclid, 2001

Number theory Difficulty 3.0 AMC 10/12 Prove it Canada

In an increasing sequence of numbers with an odd number of terms, the difference between any two consecutive terms is a constant $d$ , and the middle term is 302. When the last 4 terms are removed from the sequence, the middle term of the resulting sequence is 296. What is the value of $d$ ?

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