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Finding the Fourth Proportional to 218,099.86, 327,124.44 and 60,340.60

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Solution

The fourth proportional to 218,099.86, 327,124.44 and 60,340.60 is: 90,503.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,099.86 : 327,124.44 = 60,340.60 : x
  2. Step 2: Convert to fraction form
    218,099.86/327,124.44 = 60,340.60/x
  3. Step 3: Cross multiply
    218,099.86x = 327,124.44 × 60,340.60
  4. Step 4: Simplify right side
    218,099.86x = 19,738,884,984.26
  5. Step 5: Solve for x
    x = 19,738,884,984.26/218,099.86
  6. Step 6: Final answer
    x = 90,503.89

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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.