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Finding the Fourth Proportional to 79,765.78, 119,535.86 and 44,242.74

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Solution

The fourth proportional to 79,765.78, 119,535.86 and 44,242.74 is: 66,301.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,765.78 : 119,535.86 = 44,242.74 : x
  2. Step 2: Convert to fraction form
    79,765.78/119,535.86 = 44,242.74/x
  3. Step 3: Cross multiply
    79,765.78x = 119,535.86 × 44,242.74
  4. Step 4: Simplify right side
    79,765.78x = 5,288,593,974.66
  5. Step 5: Solve for x
    x = 5,288,593,974.66/79,765.78
  6. Step 6: Final answer
    x = 66,301.54

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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.