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Finding the Fourth Proportional to 62,166.92, 93,250.22 and 15,419.79

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Solution

The fourth proportional to 62,166.92, 93,250.22 and 15,419.79 is: 23,129.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,166.92 : 93,250.22 = 15,419.79 : x
  2. Step 2: Convert to fraction form
    62,166.92/93,250.22 = 15,419.79/x
  3. Step 3: Cross multiply
    62,166.92x = 93,250.22 × 15,419.79
  4. Step 4: Simplify right side
    62,166.92x = 1,437,898,732.75
  5. Step 5: Solve for x
    x = 1,437,898,732.75/62,166.92
  6. Step 6: Final answer
    x = 23,129.65

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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.