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Finding the Fourth Proportional to 239,794.20, 330,916.05 and 132,364.29

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Solution

The fourth proportional to 239,794.20, 330,916.05 and 132,364.29 is: 182,662.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,794.20 : 330,916.05 = 132,364.29 : x
  2. Step 2: Convert to fraction form
    239,794.20/330,916.05 = 132,364.29/x
  3. Step 3: Cross multiply
    239,794.20x = 330,916.05 × 132,364.29
  4. Step 4: Simplify right side
    239,794.20x = 43,801,468,007.85
  5. Step 5: Solve for x
    x = 43,801,468,007.85/239,794.20
  6. Step 6: Final answer
    x = 182,662.75

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1.5x scale

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.