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Finding the Fourth Proportional to 75,359.80, 113,060.48 and 33,273.40

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Solution

The fourth proportional to 75,359.80, 113,060.48 and 33,273.40 is: 49,919.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,359.80 : 113,060.48 = 33,273.40 : x
  2. Step 2: Convert to fraction form
    75,359.80/113,060.48 = 33,273.40/x
  3. Step 3: Cross multiply
    75,359.80x = 113,060.48 × 33,273.40
  4. Step 4: Simplify right side
    75,359.80x = 3,761,906,575.23
  5. Step 5: Solve for x
    x = 3,761,906,575.23/75,359.80
  6. Step 6: Final answer
    x = 49,919.27

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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.