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Finding the Fourth Proportional to 80,755.28, 111,441.17 and 44,945.28

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Solution

The fourth proportional to 80,755.28, 111,441.17 and 44,945.28 is: 62,023.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,755.28 : 111,441.17 = 44,945.28 : x
  2. Step 2: Convert to fraction form
    80,755.28/111,441.17 = 44,945.28/x
  3. Step 3: Cross multiply
    80,755.28x = 111,441.17 × 44,945.28
  4. Step 4: Simplify right side
    80,755.28x = 5,008,754,364.45
  5. Step 5: Solve for x
    x = 5,008,754,364.45/80,755.28
  6. Step 6: Final answer
    x = 62,023.87

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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.