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Finding the Fourth Proportional to 239,671.61, 330,753.74 and 132,248.56

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Solution

The fourth proportional to 239,671.61, 330,753.74 and 132,248.56 is: 182,506.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,671.61 : 330,753.74 = 132,248.56 : x
  2. Step 2: Convert to fraction form
    239,671.61/330,753.74 = 132,248.56/x
  3. Step 3: Cross multiply
    239,671.61x = 330,753.74 × 132,248.56
  4. Step 4: Simplify right side
    239,671.61x = 43,741,704,589.45
  5. Step 5: Solve for x
    x = 43,741,704,589.45/239,671.61
  6. Step 6: Final answer
    x = 182,506.83

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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.