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Finding the Fourth Proportional to 218,186.48, 327,279.72 and 60,414.86

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Solution

The fourth proportional to 218,186.48, 327,279.72 and 60,414.86 is: 90,622.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,186.48 : 327,279.72 = 60,414.86 : x
  2. Step 2: Convert to fraction form
    218,186.48/327,279.72 = 60,414.86/x
  3. Step 3: Cross multiply
    218,186.48x = 327,279.72 × 60,414.86
  4. Step 4: Simplify right side
    218,186.48x = 19,772,558,464.64
  5. Step 5: Solve for x
    x = 19,772,558,464.64/218,186.48
  6. Step 6: Final answer
    x = 90,622.29

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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.