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Finding the Fourth Proportional to 75,081.80, 112,589.48 and 22,481.48

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Solution

The fourth proportional to 75,081.80, 112,589.48 and 22,481.48 is: 33,712.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,081.80 : 112,589.48 = 22,481.48 : x
  2. Step 2: Convert to fraction form
    75,081.80/112,589.48 = 22,481.48/x
  3. Step 3: Cross multiply
    75,081.80x = 112,589.48 × 22,481.48
  4. Step 4: Simplify right side
    75,081.80x = 2,531,178,142.83
  5. Step 5: Solve for x
    x = 2,531,178,142.83/75,081.80
  6. Step 6: Final answer
    x = 33,712.27

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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.