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Finding the Fourth Proportional to 73,273.70, 109,910.55 and 50,723.30

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Solution

The fourth proportional to 73,273.70, 109,910.55 and 50,723.30 is: 76,084.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,273.70 : 109,910.55 = 50,723.30 : x
  2. Step 2: Convert to fraction form
    73,273.70/109,910.55 = 50,723.30/x
  3. Step 3: Cross multiply
    73,273.70x = 109,910.55 × 50,723.30
  4. Step 4: Simplify right side
    73,273.70x = 5,575,025,800.82
  5. Step 5: Solve for x
    x = 5,575,025,800.82/73,273.70
  6. Step 6: Final answer
    x = 76,084.95

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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.