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Finding the Fourth Proportional to 268,167.52, 402,250.92 and 68,488.04

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Solution

The fourth proportional to 268,167.52, 402,250.92 and 68,488.04 is: 102,731.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,167.52 : 402,250.92 = 68,488.04 : x
  2. Step 2: Convert to fraction form
    268,167.52/402,250.92 = 68,488.04/x
  3. Step 3: Cross multiply
    268,167.52x = 402,250.92 × 68,488.04
  4. Step 4: Simplify right side
    268,167.52x = 27,549,377,099.00
  5. Step 5: Solve for x
    x = 27,549,377,099.00/268,167.52
  6. Step 6: Final answer
    x = 102,731.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.