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Finding the Fourth Proportional to 218,190.48, 327,285.72 and 60,418.86

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Solution

The fourth proportional to 218,190.48, 327,285.72 and 60,418.86 is: 90,628.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,190.48 : 327,285.72 = 60,418.86 : x
  2. Step 2: Convert to fraction form
    218,190.48/327,285.72 = 60,418.86/x
  3. Step 3: Cross multiply
    218,190.48x = 327,285.72 × 60,418.86
  4. Step 4: Simplify right side
    218,190.48x = 19,774,230,096.68
  5. Step 5: Solve for x
    x = 19,774,230,096.68/218,190.48
  6. Step 6: Final answer
    x = 90,628.29

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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.