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Finding the Fourth Proportional to 83,892.60, 125,658.36 and 39,452.76

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Solution

The fourth proportional to 83,892.60, 125,658.36 and 39,452.76 is: 59,094.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,892.60 : 125,658.36 = 39,452.76 : x
  2. Step 2: Convert to fraction form
    83,892.60/125,658.36 = 39,452.76/x
  3. Step 3: Cross multiply
    83,892.60x = 125,658.36 × 39,452.76
  4. Step 4: Simplify right side
    83,892.60x = 4,957,569,119.07
  5. Step 5: Solve for x
    x = 4,957,569,119.07/83,892.60
  6. Step 6: Final answer
    x = 59,094.24

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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.