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Finding the Fourth Proportional to 80,542.69, 111,150.29 and 44,245.67

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Solution

The fourth proportional to 80,542.69, 111,150.29 and 44,245.67 is: 61,059.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,542.69 : 111,150.29 = 44,245.67 : x
  2. Step 2: Convert to fraction form
    80,542.69/111,150.29 = 44,245.67/x
  3. Step 3: Cross multiply
    80,542.69x = 111,150.29 × 44,245.67
  4. Step 4: Simplify right side
    80,542.69x = 4,917,919,051.74
  5. Step 5: Solve for x
    x = 4,917,919,051.74/80,542.69
  6. Step 6: Final answer
    x = 61,059.78

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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.