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Finding the Fourth Proportional to 239,788.40, 330,884.43 and 132,351.51

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Solution

The fourth proportional to 239,788.40, 330,884.43 and 132,351.51 is: 182,632.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,788.40 : 330,884.43 = 132,351.51 : x
  2. Step 2: Convert to fraction form
    239,788.40/330,884.43 = 132,351.51/x
  3. Step 3: Cross multiply
    239,788.40x = 330,884.43 × 132,351.51
  4. Step 4: Simplify right side
    239,788.40x = 43,793,053,449.66
  5. Step 5: Solve for x
    x = 43,793,053,449.66/239,788.40
  6. Step 6: Final answer
    x = 182,632.08

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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.