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Finding the Fourth Proportional to 239,833.71, 330,961.81 and 132,401.44

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Solution

The fourth proportional to 239,833.71, 330,961.81 and 132,401.44 is: 182,709.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,833.71 : 330,961.81 = 132,401.44 : x
  2. Step 2: Convert to fraction form
    239,833.71/330,961.81 = 132,401.44/x
  3. Step 3: Cross multiply
    239,833.71x = 330,961.81 × 132,401.44
  4. Step 4: Simplify right side
    239,833.71x = 43,819,820,229.01
  5. Step 5: Solve for x
    x = 43,819,820,229.01/239,833.71
  6. Step 6: Final answer
    x = 182,709.18

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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.