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Finding the Fourth Proportional to 81,587.86, 122,267.88 and 44,067.04

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Solution

The fourth proportional to 81,587.86, 122,267.88 and 44,067.04 is: 66,039.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,587.86 : 122,267.88 = 44,067.04 : x
  2. Step 2: Convert to fraction form
    81,587.86/122,267.88 = 44,067.04/x
  3. Step 3: Cross multiply
    81,587.86x = 122,267.88 × 44,067.04
  4. Step 4: Simplify right side
    81,587.86x = 5,387,983,253.01
  5. Step 5: Solve for x
    x = 5,387,983,253.01/81,587.86
  6. Step 6: Final answer
    x = 66,039.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.