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Finding the Fourth Proportional to 80,399.90, 110,958.67 and 44,601.44

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Solution

The fourth proportional to 80,399.90, 110,958.67 and 44,601.44 is: 61,553.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,399.90 : 110,958.67 = 44,601.44 : x
  2. Step 2: Convert to fraction form
    80,399.90/110,958.67 = 44,601.44/x
  3. Step 3: Cross multiply
    80,399.90x = 110,958.67 × 44,601.44
  4. Step 4: Simplify right side
    80,399.90x = 4,948,916,462.48
  5. Step 5: Solve for x
    x = 4,948,916,462.48/80,399.90
  6. Step 6: Final answer
    x = 61,553.76

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1.5x scale

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.