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Finding the Fourth Proportional to 137,663.78, 206,451.89 and 93,573.86

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Solution

The fourth proportional to 137,663.78, 206,451.89 and 93,573.86 is: 140,331.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,663.78 : 206,451.89 = 93,573.86 : x
  2. Step 2: Convert to fraction form
    137,663.78/206,451.89 = 93,573.86/x
  3. Step 3: Cross multiply
    137,663.78x = 206,451.89 × 93,573.86
  4. Step 4: Simplify right side
    137,663.78x = 19,318,500,251.60
  5. Step 5: Solve for x
    x = 19,318,500,251.60/137,663.78
  6. Step 6: Final answer
    x = 140,331.03

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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.