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Finding the Fourth Proportional to 267,737.34, 369,727.56 and 172,411.68

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Solution

The fourth proportional to 267,737.34, 369,727.56 and 172,411.68 is: 238,089.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,737.34 : 369,727.56 = 172,411.68 : x
  2. Step 2: Convert to fraction form
    267,737.34/369,727.56 = 172,411.68/x
  3. Step 3: Cross multiply
    267,737.34x = 369,727.56 × 172,411.68
  4. Step 4: Simplify right side
    267,737.34x = 63,745,349,761.90
  5. Step 5: Solve for x
    x = 63,745,349,761.90/267,737.34
  6. Step 6: Final answer
    x = 238,089.13

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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.