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Finding the Fourth Proportional to 80,088.98, 110,523.56 and 43,791.53

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Solution

The fourth proportional to 80,088.98, 110,523.56 and 43,791.53 is: 60,432.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,088.98 : 110,523.56 = 43,791.53 : x
  2. Step 2: Convert to fraction form
    80,088.98/110,523.56 = 43,791.53/x
  3. Step 3: Cross multiply
    80,088.98x = 110,523.56 × 43,791.53
  4. Step 4: Simplify right side
    80,088.98x = 4,839,995,021.87
  5. Step 5: Solve for x
    x = 4,839,995,021.87/80,088.98
  6. Step 6: Final answer
    x = 60,432.73

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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.