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Finding the Fourth Proportional to 79,773.53, 110,086.92 and 43,963.56

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Solution

The fourth proportional to 79,773.53, 110,086.92 and 43,963.56 is: 60,669.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,773.53 : 110,086.92 = 43,963.56 : x
  2. Step 2: Convert to fraction form
    79,773.53/110,086.92 = 43,963.56/x
  3. Step 3: Cross multiply
    79,773.53x = 110,086.92 × 43,963.56
  4. Step 4: Simplify right side
    79,773.53x = 4,839,812,912.64
  5. Step 5: Solve for x
    x = 4,839,812,912.64/79,773.53
  6. Step 6: Final answer
    x = 60,669.41

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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.