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Finding the Fourth Proportional to 239,796.24, 330,912.36 and 132,358.56

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Solution

The fourth proportional to 239,796.24, 330,912.36 and 132,358.56 is: 182,651.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,796.24 : 330,912.36 = 132,358.56 : x
  2. Step 2: Convert to fraction form
    239,796.24/330,912.36 = 132,358.56/x
  3. Step 3: Cross multiply
    239,796.24x = 330,912.36 × 132,358.56
  4. Step 4: Simplify right side
    239,796.24x = 43,799,083,455.80
  5. Step 5: Solve for x
    x = 43,799,083,455.80/239,796.24
  6. Step 6: Final answer
    x = 182,651.25

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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.