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Finding the Fourth Proportional to 79,752.66, 110,058.89 and 43,942.56

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Solution

The fourth proportional to 79,752.66, 110,058.89 and 43,942.56 is: 60,640.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,752.66 : 110,058.89 = 43,942.56 : x
  2. Step 2: Convert to fraction form
    79,752.66/110,058.89 = 43,942.56/x
  3. Step 3: Cross multiply
    79,752.66x = 110,058.89 × 43,942.56
  4. Step 4: Simplify right side
    79,752.66x = 4,836,269,157.65
  5. Step 5: Solve for x
    x = 4,836,269,157.65/79,752.66
  6. Step 6: Final answer
    x = 60,640.85

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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.