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Finding the Fourth Proportional to 96,861.87, 145,316.25 and 33,672.87

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Solution

The fourth proportional to 96,861.87, 145,316.25 and 33,672.87 is: 50,517.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,861.87 : 145,316.25 = 33,672.87 : x
  2. Step 2: Convert to fraction form
    96,861.87/145,316.25 = 33,672.87/x
  3. Step 3: Cross multiply
    96,861.87x = 145,316.25 × 33,672.87
  4. Step 4: Simplify right side
    96,861.87x = 4,893,215,195.14
  5. Step 5: Solve for x
    x = 4,893,215,195.14/96,861.87
  6. Step 6: Final answer
    x = 50,517.46

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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.