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Finding the Fourth Proportional to 75,350.20, 113,044.20 and 33,238.30

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Solution

The fourth proportional to 75,350.20, 113,044.20 and 33,238.30 is: 49,865.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,350.20 : 113,044.20 = 33,238.30 : x
  2. Step 2: Convert to fraction form
    75,350.20/113,044.20 = 33,238.30/x
  3. Step 3: Cross multiply
    75,350.20x = 113,044.20 × 33,238.30
  4. Step 4: Simplify right side
    75,350.20x = 3,757,397,032.86
  5. Step 5: Solve for x
    x = 3,757,397,032.86/75,350.20
  6. Step 6: Final answer
    x = 49,865.79

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1.5x scale

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.