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Finding the Fourth Proportional to 239,806.49, 330,933.02 and 132,376.59

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Solution

The fourth proportional to 239,806.49, 330,933.02 and 132,376.59 is: 182,679.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,806.49 : 330,933.02 = 132,376.59 : x
  2. Step 2: Convert to fraction form
    239,806.49/330,933.02 = 132,376.59/x
  3. Step 3: Cross multiply
    239,806.49x = 330,933.02 × 132,376.59
  4. Step 4: Simplify right side
    239,806.49x = 43,807,784,044.12
  5. Step 5: Solve for x
    x = 43,807,784,044.12/239,806.49
  6. Step 6: Final answer
    x = 182,679.73

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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.