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Finding the Fourth Proportional to 79,877.80, 110,231.73 and 44,067.80

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Solution

The fourth proportional to 79,877.80, 110,231.73 and 44,067.80 is: 60,813.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,877.80 : 110,231.73 = 44,067.80 : x
  2. Step 2: Convert to fraction form
    79,877.80/110,231.73 = 44,067.80/x
  3. Step 3: Cross multiply
    79,877.80x = 110,231.73 × 44,067.80
  4. Step 4: Simplify right side
    79,877.80x = 4,857,669,831.29
  5. Step 5: Solve for x
    x = 4,857,669,831.29/79,877.80
  6. Step 6: Final answer
    x = 60,813.77

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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.