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Finding the Fourth Proportional to 239,449.20, 330,442.20 and 132,023.40

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Solution

The fourth proportional to 239,449.20, 330,442.20 and 132,023.40 is: 182,193.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,449.20 : 330,442.20 = 132,023.40 : x
  2. Step 2: Convert to fraction form
    239,449.20/330,442.20 = 132,023.40/x
  3. Step 3: Cross multiply
    239,449.20x = 330,442.20 × 132,023.40
  4. Step 4: Simplify right side
    239,449.20x = 43,626,102,747.48
  5. Step 5: Solve for x
    x = 43,626,102,747.48/239,449.20
  6. Step 6: Final answer
    x = 182,193.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.