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Finding the Fourth Proportional to 239,716.82, 330,808.88 and 132,286.86

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Solution

The fourth proportional to 239,716.82, 330,808.88 and 132,286.86 is: 182,555.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,716.82 : 330,808.88 = 132,286.86 : x
  2. Step 2: Convert to fraction form
    239,716.82/330,808.88 = 132,286.86/x
  3. Step 3: Cross multiply
    239,716.82x = 330,808.88 × 132,286.86
  4. Step 4: Simplify right side
    239,716.82x = 43,761,667,995.32
  5. Step 5: Solve for x
    x = 43,761,667,995.32/239,716.82
  6. Step 6: Final answer
    x = 182,555.68

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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.