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Finding the Fourth Proportional to 239,787.32, 330,906.51 and 132,357.38

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Solution

The fourth proportional to 239,787.32, 330,906.51 and 132,357.38 is: 182,653.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,787.32 : 330,906.51 = 132,357.38 : x
  2. Step 2: Convert to fraction form
    239,787.32/330,906.51 = 132,357.38/x
  3. Step 3: Cross multiply
    239,787.32x = 330,906.51 × 132,357.38
  4. Step 4: Simplify right side
    239,787.32x = 43,797,917,034.01
  5. Step 5: Solve for x
    x = 43,797,917,034.01/239,787.32
  6. Step 6: Final answer
    x = 182,653.19

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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.