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Finding the Fourth Proportional to 73,912.85, 110,896.81 and 44,351.90

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Solution

The fourth proportional to 73,912.85, 110,896.81 and 44,351.90 is: 66,544.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,912.85 : 110,896.81 = 44,351.90 : x
  2. Step 2: Convert to fraction form
    73,912.85/110,896.81 = 44,351.90/x
  3. Step 3: Cross multiply
    73,912.85x = 110,896.81 × 44,351.90
  4. Step 4: Simplify right side
    73,912.85x = 4,918,484,227.44
  5. Step 5: Solve for x
    x = 4,918,484,227.44/73,912.85
  6. Step 6: Final answer
    x = 66,544.37

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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.