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Finding the Fourth Proportional to 79,876.76, 110,229.21 and 44,067.07

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Solution

The fourth proportional to 79,876.76, 110,229.21 and 44,067.07 is: 60,812.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,876.76 : 110,229.21 = 44,067.07 : x
  2. Step 2: Convert to fraction form
    79,876.76/110,229.21 = 44,067.07/x
  3. Step 3: Cross multiply
    79,876.76x = 110,229.21 × 44,067.07
  4. Step 4: Simplify right side
    79,876.76x = 4,857,478,313.11
  5. Step 5: Solve for x
    x = 4,857,478,313.11/79,876.76
  6. Step 6: Final answer
    x = 60,812.16

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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.