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Finding the Fourth Proportional to 239,787.27, 330,906.47 and 132,357.32

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Solution

The fourth proportional to 239,787.27, 330,906.47 and 132,357.32 is: 182,653.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,787.27 : 330,906.47 = 132,357.32 : x
  2. Step 2: Convert to fraction form
    239,787.27/330,906.47 = 132,357.32/x
  3. Step 3: Cross multiply
    239,787.27x = 330,906.47 × 132,357.32
  4. Step 4: Simplify right side
    239,787.27x = 43,797,894,325.79
  5. Step 5: Solve for x
    x = 43,797,894,325.79/239,787.27
  6. Step 6: Final answer
    x = 182,653.13

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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.