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Finding the Fourth Proportional to 218,503.47, 327,753.39 and 60,731.47

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Solution

The fourth proportional to 218,503.47, 327,753.39 and 60,731.47 is: 91,096.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,503.47 : 327,753.39 = 60,731.47 : x
  2. Step 2: Convert to fraction form
    218,503.47/327,753.39 = 60,731.47/x
  3. Step 3: Cross multiply
    218,503.47x = 327,753.39 × 60,731.47
  4. Step 4: Simplify right side
    218,503.47x = 19,904,945,468.00
  5. Step 5: Solve for x
    x = 19,904,945,468.00/218,503.47
  6. Step 6: Final answer
    x = 91,096.70

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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.