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Finding the Fourth Proportional to 95,469, 143,167.50 and 76,702.92

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Solution

The fourth proportional to 95,469, 143,167.50 and 76,702.92 is: 115,025.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,469 : 143,167.50 = 76,702.92 : x
  2. Step 2: Convert to fraction form
    95,469/143,167.50 = 76,702.92/x
  3. Step 3: Cross multiply
    95,469x = 143,167.50 × 76,702.92
  4. Step 4: Simplify right side
    95,469x = 10,981,365,299.10
  5. Step 5: Solve for x
    x = 10,981,365,299.10/95,469
  6. Step 6: Final answer
    x = 115,025.46

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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.