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Finding the Fourth Proportional to 239,787.56, 330,906.85 and 132,357.62

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Solution

The fourth proportional to 239,787.56, 330,906.85 and 132,357.62 is: 182,653.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,787.56 : 330,906.85 = 132,357.62 : x
  2. Step 2: Convert to fraction form
    239,787.56/330,906.85 = 132,357.62/x
  3. Step 3: Cross multiply
    239,787.56x = 330,906.85 × 132,357.62
  4. Step 4: Simplify right side
    239,787.56x = 43,798,043,107.70
  5. Step 5: Solve for x
    x = 43,798,043,107.70/239,787.56
  6. Step 6: Final answer
    x = 182,653.53

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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.