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Finding the Fourth Proportional to 239,642.26, 330,707.48 and 132,212.29

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Solution

The fourth proportional to 239,642.26, 330,707.48 and 132,212.29 is: 182,453.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,642.26 : 330,707.48 = 132,212.29 : x
  2. Step 2: Convert to fraction form
    239,642.26/330,707.48 = 132,212.29/x
  3. Step 3: Cross multiply
    239,642.26x = 330,707.48 × 132,212.29
  4. Step 4: Simplify right side
    239,642.26x = 43,723,593,250.93
  5. Step 5: Solve for x
    x = 43,723,593,250.93/239,642.26
  6. Step 6: Final answer
    x = 182,453.60

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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.