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Finding the Fourth Proportional to 95,781.76, 132,200.32 and 62,189.44

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Solution

The fourth proportional to 95,781.76, 132,200.32 and 62,189.44 is: 85,835.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,781.76 : 132,200.32 = 62,189.44 : x
  2. Step 2: Convert to fraction form
    95,781.76/132,200.32 = 62,189.44/x
  3. Step 3: Cross multiply
    95,781.76x = 132,200.32 × 62,189.44
  4. Step 4: Simplify right side
    95,781.76x = 8,221,463,868.62
  5. Step 5: Solve for x
    x = 8,221,463,868.62/95,781.76
  6. Step 6: Final answer
    x = 85,835.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.