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Finding the Fourth Proportional to 104,423.92, 156,635.90 and 25,537.20

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Solution

The fourth proportional to 104,423.92, 156,635.90 and 25,537.20 is: 38,305.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,423.92 : 156,635.90 = 25,537.20 : x
  2. Step 2: Convert to fraction form
    104,423.92/156,635.90 = 25,537.20/x
  3. Step 3: Cross multiply
    104,423.92x = 156,635.90 × 25,537.20
  4. Step 4: Simplify right side
    104,423.92x = 4,000,042,305.48
  5. Step 5: Solve for x
    x = 4,000,042,305.48/104,423.92
  6. Step 6: Final answer
    x = 38,305.80

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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.