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Finding the Fourth Proportional to 79,754.28, 110,062.17 and 43,943.91

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Solution

The fourth proportional to 79,754.28, 110,062.17 and 43,943.91 is: 60,643.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,754.28 : 110,062.17 = 43,943.91 : x
  2. Step 2: Convert to fraction form
    79,754.28/110,062.17 = 43,943.91/x
  3. Step 3: Cross multiply
    79,754.28x = 110,062.17 × 43,943.91
  4. Step 4: Simplify right side
    79,754.28x = 4,836,562,092.88
  5. Step 5: Solve for x
    x = 4,836,562,092.88/79,754.28
  6. Step 6: Final answer
    x = 60,643.29

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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.