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Finding the Fourth Proportional to 79,909.86, 110,275.34 and 44,103.80

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Solution

The fourth proportional to 79,909.86, 110,275.34 and 44,103.80 is: 60,863.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,909.86 : 110,275.34 = 44,103.80 : x
  2. Step 2: Convert to fraction form
    79,909.86/110,275.34 = 44,103.80/x
  3. Step 3: Cross multiply
    79,909.86x = 110,275.34 × 44,103.80
  4. Step 4: Simplify right side
    79,909.86x = 4,863,561,540.29
  5. Step 5: Solve for x
    x = 4,863,561,540.29/79,909.86
  6. Step 6: Final answer
    x = 60,863.10

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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.