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Finding the Fourth Proportional to 63,689.60, 95,553.60 and 34,121.60

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Solution

The fourth proportional to 63,689.60, 95,553.60 and 34,121.60 is: 51,192.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,689.60 : 95,553.60 = 34,121.60 : x
  2. Step 2: Convert to fraction form
    63,689.60/95,553.60 = 34,121.60/x
  3. Step 3: Cross multiply
    63,689.60x = 95,553.60 × 34,121.60
  4. Step 4: Simplify right side
    63,689.60x = 3,260,441,717.76
  5. Step 5: Solve for x
    x = 3,260,441,717.76/63,689.60
  6. Step 6: Final answer
    x = 51,192.69

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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.