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Finding the Fourth Proportional to 73,911.85, 110,895.31 and 44,350.90

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Solution

The fourth proportional to 73,911.85, 110,895.31 and 44,350.90 is: 66,542.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,911.85 : 110,895.31 = 44,350.90 : x
  2. Step 2: Convert to fraction form
    73,911.85/110,895.31 = 44,350.90/x
  3. Step 3: Cross multiply
    73,911.85x = 110,895.31 × 44,350.90
  4. Step 4: Simplify right side
    73,911.85x = 4,918,306,804.28
  5. Step 5: Solve for x
    x = 4,918,306,804.28/73,911.85
  6. Step 6: Final answer
    x = 66,542.87

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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.