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Finding the Fourth Proportional to 218,375.92, 327,566.04 and 92,037.52

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Solution

The fourth proportional to 218,375.92, 327,566.04 and 92,037.52 is: 138,057.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,375.92 : 327,566.04 = 92,037.52 : x
  2. Step 2: Convert to fraction form
    218,375.92/327,566.04 = 92,037.52/x
  3. Step 3: Cross multiply
    218,375.92x = 327,566.04 × 92,037.52
  4. Step 4: Simplify right side
    218,375.92x = 30,148,365,957.82
  5. Step 5: Solve for x
    x = 30,148,365,957.82/218,375.92
  6. Step 6: Final answer
    x = 138,057.19

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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.