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Finding the Fourth Proportional to 239,893.32, 331,052.80 and 132,463.56

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Solution

The fourth proportional to 239,893.32, 331,052.80 and 132,463.56 is: 182,799.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,893.32 : 331,052.80 = 132,463.56 : x
  2. Step 2: Convert to fraction form
    239,893.32/331,052.80 = 132,463.56/x
  3. Step 3: Cross multiply
    239,893.32x = 331,052.80 × 132,463.56
  4. Step 4: Simplify right side
    239,893.32x = 43,852,432,435.97
  5. Step 5: Solve for x
    x = 43,852,432,435.97/239,893.32
  6. Step 6: Final answer
    x = 182,799.72

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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.