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Finding the Fourth Proportional to 239,674.77, 330,758.10 and 132,251.73

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Solution

The fourth proportional to 239,674.77, 330,758.10 and 132,251.73 is: 182,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,674.77 : 330,758.10 = 132,251.73 : x
  2. Step 2: Convert to fraction form
    239,674.77/330,758.10 = 132,251.73/x
  3. Step 3: Cross multiply
    239,674.77x = 330,758.10 × 132,251.73
  4. Step 4: Simplify right side
    239,674.77x = 43,743,330,936.51
  5. Step 5: Solve for x
    x = 43,743,330,936.51/239,674.77
  6. Step 6: Final answer
    x = 182,511.20

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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.