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Finding the Fourth Proportional to 218,257.68, 327,385.08 and 56,151.48

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Solution

The fourth proportional to 218,257.68, 327,385.08 and 56,151.48 is: 84,226.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,257.68 : 327,385.08 = 56,151.48 : x
  2. Step 2: Convert to fraction form
    218,257.68/327,385.08 = 56,151.48/x
  3. Step 3: Cross multiply
    218,257.68x = 327,385.08 × 56,151.48
  4. Step 4: Simplify right side
    218,257.68x = 18,383,156,771.92
  5. Step 5: Solve for x
    x = 18,383,156,771.92/218,257.68
  6. Step 6: Final answer
    x = 84,226.85

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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.