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Finding the Fourth Proportional to 79,716.52, 110,013.78 and 43,906.52

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Solution

The fourth proportional to 79,716.52, 110,013.78 and 43,906.52 is: 60,593.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,716.52 : 110,013.78 = 43,906.52 : x
  2. Step 2: Convert to fraction form
    79,716.52/110,013.78 = 43,906.52/x
  3. Step 3: Cross multiply
    79,716.52x = 110,013.78 × 43,906.52
  4. Step 4: Simplify right side
    79,716.52x = 4,830,321,462.24
  5. Step 5: Solve for x
    x = 4,830,321,462.24/79,716.52
  6. Step 6: Final answer
    x = 60,593.74

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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.