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Finding the Fourth Proportional to 71,375.90, 98,496.11 and 41,162.49

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Solution

The fourth proportional to 71,375.90, 98,496.11 and 41,162.49 is: 56,802.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,375.90 : 98,496.11 = 41,162.49 : x
  2. Step 2: Convert to fraction form
    71,375.90/98,496.11 = 41,162.49/x
  3. Step 3: Cross multiply
    71,375.90x = 98,496.11 × 41,162.49
  4. Step 4: Simplify right side
    71,375.90x = 4,054,344,937.10
  5. Step 5: Solve for x
    x = 4,054,344,937.10/71,375.90
  6. Step 6: Final answer
    x = 56,802.72

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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.