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Finding the Fourth Proportional to 218,098.86, 327,122.94 and 60,339.60

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Solution

The fourth proportional to 218,098.86, 327,122.94 and 60,339.60 is: 90,502.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,098.86 : 327,122.94 = 60,339.60 : x
  2. Step 2: Convert to fraction form
    218,098.86/327,122.94 = 60,339.60/x
  3. Step 3: Cross multiply
    218,098.86x = 327,122.94 × 60,339.60
  4. Step 4: Simplify right side
    218,098.86x = 19,738,467,350.42
  5. Step 5: Solve for x
    x = 19,738,467,350.42/218,098.86
  6. Step 6: Final answer
    x = 90,502.39

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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.