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Finding the Fourth Proportional to 95,100.87, 131,239 and 54,814.36

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Solution

The fourth proportional to 95,100.87, 131,239 and 54,814.36 is: 75,643.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,100.87 : 131,239 = 54,814.36 : x
  2. Step 2: Convert to fraction form
    95,100.87/131,239 = 54,814.36/x
  3. Step 3: Cross multiply
    95,100.87x = 131,239 × 54,814.36
  4. Step 4: Simplify right side
    95,100.87x = 7,193,781,792.04
  5. Step 5: Solve for x
    x = 7,193,781,792.04/95,100.87
  6. Step 6: Final answer
    x = 75,643.70

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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.