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Finding the Fourth Proportional to 80,399.40, 110,949.66 and 44,100.96

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Solution

The fourth proportional to 80,399.40, 110,949.66 and 44,100.96 is: 60,858.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,399.40 : 110,949.66 = 44,100.96 : x
  2. Step 2: Convert to fraction form
    80,399.40/110,949.66 = 44,100.96/x
  3. Step 3: Cross multiply
    80,399.40x = 110,949.66 × 44,100.96
  4. Step 4: Simplify right side
    80,399.40x = 4,892,986,517.67
  5. Step 5: Solve for x
    x = 4,892,986,517.67/80,399.40
  6. Step 6: Final answer
    x = 60,858.50

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1.5x scale

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.