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Finding the Fourth Proportional to 71,846.60, 99,148.25 and 41,649.44

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Solution

The fourth proportional to 71,846.60, 99,148.25 and 41,649.44 is: 57,476.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,846.60 : 99,148.25 = 41,649.44 : x
  2. Step 2: Convert to fraction form
    71,846.60/99,148.25 = 41,649.44/x
  3. Step 3: Cross multiply
    71,846.60x = 99,148.25 × 41,649.44
  4. Step 4: Simplify right side
    71,846.60x = 4,129,469,255.57
  5. Step 5: Solve for x
    x = 4,129,469,255.57/71,846.60
  6. Step 6: Final answer
    x = 57,476.20

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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.