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Finding the Fourth Proportional to 146,896.47, 220,311.90 and 58,169.88

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Solution

The fourth proportional to 146,896.47, 220,311.90 and 58,169.88 is: 87,241.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,896.47 : 220,311.90 = 58,169.88 : x
  2. Step 2: Convert to fraction form
    146,896.47/220,311.90 = 58,169.88/x
  3. Step 3: Cross multiply
    146,896.47x = 220,311.90 × 58,169.88
  4. Step 4: Simplify right side
    146,896.47x = 12,815,516,785.57
  5. Step 5: Solve for x
    x = 12,815,516,785.57/146,896.47
  6. Step 6: Final answer
    x = 87,241.83

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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.