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Finding the Fourth Proportional to 218,158.98, 327,238.92 and 60,387.90

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Solution

The fourth proportional to 218,158.98, 327,238.92 and 60,387.90 is: 90,581.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,158.98 : 327,238.92 = 60,387.90 : x
  2. Step 2: Convert to fraction form
    218,158.98/327,238.92 = 60,387.90/x
  3. Step 3: Cross multiply
    218,158.98x = 327,238.92 × 60,387.90
  4. Step 4: Simplify right side
    218,158.98x = 19,761,271,177.07
  5. Step 5: Solve for x
    x = 19,761,271,177.07/218,158.98
  6. Step 6: Final answer
    x = 90,581.97

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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.