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Finding the Fourth Proportional to 80,425.44, 110,914.38 and 50,213.52

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Solution

The fourth proportional to 80,425.44, 110,914.38 and 50,213.52 is: 69,249.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,425.44 : 110,914.38 = 50,213.52 : x
  2. Step 2: Convert to fraction form
    80,425.44/110,914.38 = 50,213.52/x
  3. Step 3: Cross multiply
    80,425.44x = 110,914.38 × 50,213.52
  4. Step 4: Simplify right side
    80,425.44x = 5,569,401,438.42
  5. Step 5: Solve for x
    x = 5,569,401,438.42/80,425.44
  6. Step 6: Final answer
    x = 69,249.25

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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.