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Finding the Fourth Proportional to 239,806.58, 330,933.15 and 132,376.69

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Solution

The fourth proportional to 239,806.58, 330,933.15 and 132,376.69 is: 182,679.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,806.58 : 330,933.15 = 132,376.69 : x
  2. Step 2: Convert to fraction form
    239,806.58/330,933.15 = 132,376.69/x
  3. Step 3: Cross multiply
    239,806.58x = 330,933.15 × 132,376.69
  4. Step 4: Simplify right side
    239,806.58x = 43,807,832,691.72
  5. Step 5: Solve for x
    x = 43,807,832,691.72/239,806.58
  6. Step 6: Final answer
    x = 182,679.86

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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.