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Finding the Fourth Proportional to 80,408.91, 110,891.66 and 50,197.02

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Solution

The fourth proportional to 80,408.91, 110,891.66 and 50,197.02 is: 69,226.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,408.91 : 110,891.66 = 50,197.02 : x
  2. Step 2: Convert to fraction form
    80,408.91/110,891.66 = 50,197.02/x
  3. Step 3: Cross multiply
    80,408.91x = 110,891.66 × 50,197.02
  4. Step 4: Simplify right side
    80,408.91x = 5,566,430,874.85
  5. Step 5: Solve for x
    x = 5,566,430,874.85/80,408.91
  6. Step 6: Final answer
    x = 69,226.54

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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.