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Finding the Fourth Proportional to 218,504.47, 327,754.89 and 60,732.47

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Solution

The fourth proportional to 218,504.47, 327,754.89 and 60,732.47 is: 91,098.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,504.47 : 327,754.89 = 60,732.47 : x
  2. Step 2: Convert to fraction form
    218,504.47/327,754.89 = 60,732.47/x
  3. Step 3: Cross multiply
    218,504.47x = 327,754.89 × 60,732.47
  4. Step 4: Simplify right side
    218,504.47x = 19,905,364,024.28
  5. Step 5: Solve for x
    x = 19,905,364,024.28/218,504.47
  6. Step 6: Final answer
    x = 91,098.20

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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.