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Finding the Fourth Proportional to 80,394.39, 120,591.86 and 33,614.46

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Solution

The fourth proportional to 80,394.39, 120,591.86 and 33,614.46 is: 50,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,394.39 : 120,591.86 = 33,614.46 : x
  2. Step 2: Convert to fraction form
    80,394.39/120,591.86 = 33,614.46/x
  3. Step 3: Cross multiply
    80,394.39x = 120,591.86 × 33,614.46
  4. Step 4: Simplify right side
    80,394.39x = 4,053,630,086.22
  5. Step 5: Solve for x
    x = 4,053,630,086.22/80,394.39
  6. Step 6: Final answer
    x = 50,421.80

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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.