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Finding the Fourth Proportional to 73,163.40, 109,781.55 and 41,597.70

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Solution

The fourth proportional to 73,163.40, 109,781.55 and 41,597.70 is: 62,417.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,163.40 : 109,781.55 = 41,597.70 : x
  2. Step 2: Convert to fraction form
    73,163.40/109,781.55 = 41,597.70/x
  3. Step 3: Cross multiply
    73,163.40x = 109,781.55 × 41,597.70
  4. Step 4: Simplify right side
    73,163.40x = 4,566,659,982.44
  5. Step 5: Solve for x
    x = 4,566,659,982.44/73,163.40
  6. Step 6: Final answer
    x = 62,417.27

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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.