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Finding the Fourth Proportional to 80,755.66, 111,441.68 and 44,945.68

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Solution

The fourth proportional to 80,755.66, 111,441.68 and 44,945.68 is: 62,024.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,755.66 : 111,441.68 = 44,945.68 : x
  2. Step 2: Convert to fraction form
    80,755.66/111,441.68 = 44,945.68/x
  3. Step 3: Cross multiply
    80,755.66x = 111,441.68 × 44,945.68
  4. Step 4: Simplify right side
    80,755.66x = 5,008,822,087.94
  5. Step 5: Solve for x
    x = 5,008,822,087.94/80,755.66
  6. Step 6: Final answer
    x = 62,024.41

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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.