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Finding the Fourth Proportional to 89,882.16, 134,713.92 and 63,594.48

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Solution

The fourth proportional to 89,882.16, 134,713.92 and 63,594.48 is: 95,314.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,882.16 : 134,713.92 = 63,594.48 : x
  2. Step 2: Convert to fraction form
    89,882.16/134,713.92 = 63,594.48/x
  3. Step 3: Cross multiply
    89,882.16x = 134,713.92 × 63,594.48
  4. Step 4: Simplify right side
    89,882.16x = 8,567,061,691.16
  5. Step 5: Solve for x
    x = 8,567,061,691.16/89,882.16
  6. Step 6: Final answer
    x = 95,314.37

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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.