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Finding the Fourth Proportional to 80,400.63, 110,958.46 and 44,593.98

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Solution

The fourth proportional to 80,400.63, 110,958.46 and 44,593.98 is: 61,542.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,400.63 : 110,958.46 = 44,593.98 : x
  2. Step 2: Convert to fraction form
    80,400.63/110,958.46 = 44,593.98/x
  3. Step 3: Cross multiply
    80,400.63x = 110,958.46 × 44,593.98
  4. Step 4: Simplify right side
    80,400.63x = 4,948,078,818.49
  5. Step 5: Solve for x
    x = 4,948,078,818.49/80,400.63
  6. Step 6: Final answer
    x = 61,542.78

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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.