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Finding the Fourth Proportional to 71,432.92, 98,576.64 and 41,217.88

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Solution

The fourth proportional to 71,432.92, 98,576.64 and 41,217.88 is: 56,880.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,432.92 : 98,576.64 = 41,217.88 : x
  2. Step 2: Convert to fraction form
    71,432.92/98,576.64 = 41,217.88/x
  3. Step 3: Cross multiply
    71,432.92x = 98,576.64 × 41,217.88
  4. Step 4: Simplify right side
    71,432.92x = 4,063,120,118.32
  5. Step 5: Solve for x
    x = 4,063,120,118.32/71,432.92
  6. Step 6: Final answer
    x = 56,880.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.