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Finding the Fourth Proportional to 267,957.12, 369,705.12 and 172,519.04

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Solution

The fourth proportional to 267,957.12, 369,705.12 and 172,519.04 is: 238,027.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,957.12 : 369,705.12 = 172,519.04 : x
  2. Step 2: Convert to fraction form
    267,957.12/369,705.12 = 172,519.04/x
  3. Step 3: Cross multiply
    267,957.12x = 369,705.12 × 172,519.04
  4. Step 4: Simplify right side
    267,957.12x = 63,781,172,385.48
  5. Step 5: Solve for x
    x = 63,781,172,385.48/267,957.12
  6. Step 6: Final answer
    x = 238,027.53

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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.