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The correct answer is D
12, 18, 28, 42, 52, ?
Four terms are in proportion. The first, second and fourth terms are 4, 22, and 33. Find the third term.
7 29 ? 129 211 349
4 6 12 ? 44 74
...5, 14, 41, 122, 365, 1094, ?
2187, 1458, 972, ?, 432, 288
261 256 246 231 211 ?
...13, 26, 104, ?, 13312, 425984
13 182 303 384 433 ?
...41 28 ? 15 67 2