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Finding the Fourth Proportional to 64,379.70, 96,591.42 and 58,168.62

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Solution

The fourth proportional to 64,379.70, 96,591.42 and 58,168.62 is: 87,272.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,379.70 : 96,591.42 = 58,168.62 : x
  2. Step 2: Convert to fraction form
    64,379.70/96,591.42 = 58,168.62/x
  3. Step 3: Cross multiply
    64,379.70x = 96,591.42 × 58,168.62
  4. Step 4: Simplify right side
    64,379.70x = 5,618,589,605.24
  5. Step 5: Solve for x
    x = 5,618,589,605.24/64,379.70
  6. Step 6: Final answer
    x = 87,272.69

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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.