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Finding the Fourth Proportional to 95,120.92, 142,734.66 and 65,562.40

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Solution

The fourth proportional to 95,120.92, 142,734.66 and 65,562.40 is: 98,380.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,120.92 : 142,734.66 = 65,562.40 : x
  2. Step 2: Convert to fraction form
    95,120.92/142,734.66 = 65,562.40/x
  3. Step 3: Cross multiply
    95,120.92x = 142,734.66 × 65,562.40
  4. Step 4: Simplify right side
    95,120.92x = 9,358,026,872.78
  5. Step 5: Solve for x
    x = 9,358,026,872.78/95,120.92
  6. Step 6: Final answer
    x = 98,380.32

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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.