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Finding the Fourth Proportional to 125,788.62, 173,586.87 and 93,666.91

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Solution

The fourth proportional to 125,788.62, 173,586.87 and 93,666.91 is: 129,259.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,788.62 : 173,586.87 = 93,666.91 : x
  2. Step 2: Convert to fraction form
    125,788.62/173,586.87 = 93,666.91/x
  3. Step 3: Cross multiply
    125,788.62x = 173,586.87 × 93,666.91
  4. Step 4: Simplify right side
    125,788.62x = 16,259,345,729.47
  5. Step 5: Solve for x
    x = 16,259,345,729.47/125,788.62
  6. Step 6: Final answer
    x = 129,259.28

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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.