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Finding the Fourth Proportional to 89,672.34, 134,360.87 and 62,657.42

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Solution

The fourth proportional to 89,672.34, 134,360.87 and 62,657.42 is: 93,882.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,672.34 : 134,360.87 = 62,657.42 : x
  2. Step 2: Convert to fraction form
    89,672.34/134,360.87 = 62,657.42/x
  3. Step 3: Cross multiply
    89,672.34x = 134,360.87 × 62,657.42
  4. Step 4: Simplify right side
    89,672.34x = 8,418,705,463.16
  5. Step 5: Solve for x
    x = 8,418,705,463.16/89,672.34
  6. Step 6: Final answer
    x = 93,882.97

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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.