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Finding the Fourth Proportional to 83,811.93, 125,800.52 and 61,562.85

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Solution

The fourth proportional to 83,811.93, 125,800.52 and 61,562.85 is: 92,404.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,811.93 : 125,800.52 = 61,562.85 : x
  2. Step 2: Convert to fraction form
    83,811.93/125,800.52 = 61,562.85/x
  3. Step 3: Cross multiply
    83,811.93x = 125,800.52 × 61,562.85
  4. Step 4: Simplify right side
    83,811.93x = 7,744,638,234.87
  5. Step 5: Solve for x
    x = 7,744,638,234.87/83,811.93
  6. Step 6: Final answer
    x = 92,404.96

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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.