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Finding the Fourth Proportional to 218,241, 327,361.86 and 60,469.83

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Solution

The fourth proportional to 218,241, 327,361.86 and 60,469.83 is: 90,704.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,241 : 327,361.86 = 60,469.83 : x
  2. Step 2: Convert to fraction form
    218,241/327,361.86 = 60,469.83/x
  3. Step 3: Cross multiply
    218,241x = 327,361.86 × 60,469.83
  4. Step 4: Simplify right side
    218,241x = 19,795,516,022.68
  5. Step 5: Solve for x
    x = 19,795,516,022.68/218,241
  6. Step 6: Final answer
    x = 90,704.84

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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.