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Finding the Fourth Proportional to 95,722.62, 143,333.12 and 67,489.86

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Solution

The fourth proportional to 95,722.62, 143,333.12 and 67,489.86 is: 101,057.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,722.62 : 143,333.12 = 67,489.86 : x
  2. Step 2: Convert to fraction form
    95,722.62/143,333.12 = 67,489.86/x
  3. Step 3: Cross multiply
    95,722.62x = 143,333.12 × 67,489.86
  4. Step 4: Simplify right side
    95,722.62x = 9,673,532,202.16
  5. Step 5: Solve for x
    x = 9,673,532,202.16/95,722.62
  6. Step 6: Final answer
    x = 101,057.95

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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.