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Finding the Fourth Proportional to 137,592.54, 206,389.53 and 62,660.43

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Solution

The fourth proportional to 137,592.54, 206,389.53 and 62,660.43 is: 93,990.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,592.54 : 206,389.53 = 62,660.43 : x
  2. Step 2: Convert to fraction form
    137,592.54/206,389.53 = 62,660.43/x
  3. Step 3: Cross multiply
    137,592.54x = 206,389.53 × 62,660.43
  4. Step 4: Simplify right side
    137,592.54x = 12,932,456,697.30
  5. Step 5: Solve for x
    x = 12,932,456,697.30/137,592.54
  6. Step 6: Final answer
    x = 93,990.97

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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.