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Finding the Fourth Proportional to 82,049.20, 123,067.40 and 32,119.60

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Solution

The fourth proportional to 82,049.20, 123,067.40 and 32,119.60 is: 48,176.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,049.20 : 123,067.40 = 32,119.60 : x
  2. Step 2: Convert to fraction form
    82,049.20/123,067.40 = 32,119.60/x
  3. Step 3: Cross multiply
    82,049.20x = 123,067.40 × 32,119.60
  4. Step 4: Simplify right side
    82,049.20x = 3,952,875,661.04
  5. Step 5: Solve for x
    x = 3,952,875,661.04/82,049.20
  6. Step 6: Final answer
    x = 48,176.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.