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Finding the Fourth Proportional to 239,722.80, 330,824.16 and 132,301.14

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Solution

The fourth proportional to 239,722.80, 330,824.16 and 132,301.14 is: 182,579.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,722.80 : 330,824.16 = 132,301.14 : x
  2. Step 2: Convert to fraction form
    239,722.80/330,824.16 = 132,301.14/x
  3. Step 3: Cross multiply
    239,722.80x = 330,824.16 × 132,301.14
  4. Step 4: Simplify right side
    239,722.80x = 43,768,413,507.54
  5. Step 5: Solve for x
    x = 43,768,413,507.54/239,722.80
  6. Step 6: Final answer
    x = 182,579.27

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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.