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Finding the Fourth Proportional to 218,474.72, 327,729.76 and 60,703.19

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Solution

The fourth proportional to 218,474.72, 327,729.76 and 60,703.19 is: 91,059.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,474.72 : 327,729.76 = 60,703.19 : x
  2. Step 2: Convert to fraction form
    218,474.72/327,729.76 = 60,703.19/x
  3. Step 3: Cross multiply
    218,474.72x = 327,729.76 × 60,703.19
  4. Step 4: Simplify right side
    218,474.72x = 19,894,240,099.53
  5. Step 5: Solve for x
    x = 19,894,240,099.53/218,474.72
  6. Step 6: Final answer
    x = 91,059.69

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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.