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Finding the Fourth Proportional to 75,352.20, 113,047.20 and 33,240.30

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Solution

The fourth proportional to 75,352.20, 113,047.20 and 33,240.30 is: 49,868.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,352.20 : 113,047.20 = 33,240.30 : x
  2. Step 2: Convert to fraction form
    75,352.20/113,047.20 = 33,240.30/x
  3. Step 3: Cross multiply
    75,352.20x = 113,047.20 × 33,240.30
  4. Step 4: Simplify right side
    75,352.20x = 3,757,722,842.16
  5. Step 5: Solve for x
    x = 3,757,722,842.16/75,352.20
  6. Step 6: Final answer
    x = 49,868.79

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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.