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Finding the Fourth Proportional to 125,614.17, 173,355.31 and 71,897.96

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Solution

The fourth proportional to 125,614.17, 173,355.31 and 71,897.96 is: 99,223.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,614.17 : 173,355.31 = 71,897.96 : x
  2. Step 2: Convert to fraction form
    125,614.17/173,355.31 = 71,897.96/x
  3. Step 3: Cross multiply
    125,614.17x = 173,355.31 × 71,897.96
  4. Step 4: Simplify right side
    125,614.17x = 12,463,892,287.88
  5. Step 5: Solve for x
    x = 12,463,892,287.88/125,614.17
  6. Step 6: Final answer
    x = 99,223.62

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1.5x scale

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.