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Finding the Fourth Proportional to 73,368.97, 109,865.13 and 50,847.55

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Solution

The fourth proportional to 73,368.97, 109,865.13 and 50,847.55 is: 76,140.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,368.97 : 109,865.13 = 50,847.55 : x
  2. Step 2: Convert to fraction form
    73,368.97/109,865.13 = 50,847.55/x
  3. Step 3: Cross multiply
    73,368.97x = 109,865.13 × 50,847.55
  4. Step 4: Simplify right side
    73,368.97x = 5,586,372,860.61
  5. Step 5: Solve for x
    x = 5,586,372,860.61/73,368.97
  6. Step 6: Final answer
    x = 76,140.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.