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Finding the Fourth Proportional to 267,949.38, 369,694.38 and 172,511.32

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Solution

The fourth proportional to 267,949.38, 369,694.38 and 172,511.32 is: 238,016.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,949.38 : 369,694.38 = 172,511.32 : x
  2. Step 2: Convert to fraction form
    267,949.38/369,694.38 = 172,511.32/x
  3. Step 3: Cross multiply
    267,949.38x = 369,694.38 × 172,511.32
  4. Step 4: Simplify right side
    267,949.38x = 63,776,465,490.38
  5. Step 5: Solve for x
    x = 63,776,465,490.38/267,949.38
  6. Step 6: Final answer
    x = 238,016.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.