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Finding the Fourth Proportional to 79,752.65, 110,058.56 and 43,942.65

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Solution

The fourth proportional to 79,752.65, 110,058.56 and 43,942.65 is: 60,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,752.65 : 110,058.56 = 43,942.65 : x
  2. Step 2: Convert to fraction form
    79,752.65/110,058.56 = 43,942.65/x
  3. Step 3: Cross multiply
    79,752.65x = 110,058.56 × 43,942.65
  4. Step 4: Simplify right side
    79,752.65x = 4,836,264,781.58
  5. Step 5: Solve for x
    x = 4,836,264,781.58/79,752.65
  6. Step 6: Final answer
    x = 60,640.80

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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.