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Finding the Fourth Proportional to 101,367.12, 152,115.96 and 54,652.56

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Solution

The fourth proportional to 101,367.12, 152,115.96 and 54,652.56 is: 82,014.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,367.12 : 152,115.96 = 54,652.56 : x
  2. Step 2: Convert to fraction form
    101,367.12/152,115.96 = 54,652.56/x
  3. Step 3: Cross multiply
    101,367.12x = 152,115.96 × 54,652.56
  4. Step 4: Simplify right side
    101,367.12x = 8,313,526,630.86
  5. Step 5: Solve for x
    x = 8,313,526,630.86/101,367.12
  6. Step 6: Final answer
    x = 82,014.04

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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.