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Finding the Fourth Proportional to 373,902.50, 560,854.95 and 93,419.78

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Solution

The fourth proportional to 373,902.50, 560,854.95 and 93,419.78 is: 140,129.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,902.50 : 560,854.95 = 93,419.78 : x
  2. Step 2: Convert to fraction form
    373,902.50/560,854.95 = 93,419.78/x
  3. Step 3: Cross multiply
    373,902.50x = 560,854.95 × 93,419.78
  4. Step 4: Simplify right side
    373,902.50x = 52,394,946,040.91
  5. Step 5: Solve for x
    x = 52,394,946,040.91/373,902.50
  6. Step 6: Final answer
    x = 140,129.97

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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.