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Finding the Fourth Proportional to 63,678.70, 95,505.81 and 60,517.69

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Solution

The fourth proportional to 63,678.70, 95,505.81 and 60,517.69 is: 90,764.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,678.70 : 95,505.81 = 60,517.69 : x
  2. Step 2: Convert to fraction form
    63,678.70/95,505.81 = 60,517.69/x
  3. Step 3: Cross multiply
    63,678.70x = 95,505.81 × 60,517.69
  4. Step 4: Simplify right side
    63,678.70x = 5,779,791,002.78
  5. Step 5: Solve for x
    x = 5,779,791,002.78/63,678.70
  6. Step 6: Final answer
    x = 90,764.90

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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.