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Finding the Fourth Proportional to 218,494.56, 327,869.04 and 92,126.88

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Solution

The fourth proportional to 218,494.56, 327,869.04 and 92,126.88 is: 138,243.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,494.56 : 327,869.04 = 92,126.88 : x
  2. Step 2: Convert to fraction form
    218,494.56/327,869.04 = 92,126.88/x
  3. Step 3: Cross multiply
    218,494.56x = 327,869.04 × 92,126.88
  4. Step 4: Simplify right side
    218,494.56x = 30,205,551,703.80
  5. Step 5: Solve for x
    x = 30,205,551,703.80/218,494.56
  6. Step 6: Final answer
    x = 138,243.95

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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.