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Finding the Fourth Proportional to 71,553.88, 98,748.96 and 41,340.47

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Solution

The fourth proportional to 71,553.88, 98,748.96 and 41,340.47 is: 57,052.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,553.88 : 98,748.96 = 41,340.47 : x
  2. Step 2: Convert to fraction form
    71,553.88/98,748.96 = 41,340.47/x
  3. Step 3: Cross multiply
    71,553.88x = 98,748.96 × 41,340.47
  4. Step 4: Simplify right side
    71,553.88x = 4,082,328,418.41
  5. Step 5: Solve for x
    x = 4,082,328,418.41/71,553.88
  6. Step 6: Final answer
    x = 57,052.51

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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.