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Finding the Fourth Proportional to 80,041.82, 120,069.54 and 23,878.31

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Solution

The fourth proportional to 80,041.82, 120,069.54 and 23,878.31 is: 35,819.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,041.82 : 120,069.54 = 23,878.31 : x
  2. Step 2: Convert to fraction form
    80,041.82/120,069.54 = 23,878.31/x
  3. Step 3: Cross multiply
    80,041.82x = 120,069.54 × 23,878.31
  4. Step 4: Simplify right side
    80,041.82x = 2,867,057,097.33
  5. Step 5: Solve for x
    x = 2,867,057,097.33/80,041.82
  6. Step 6: Final answer
    x = 35,819.49

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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.