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Finding the Fourth Proportional to 272,452.54, 408,694.14 and 82,919.02

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Solution

The fourth proportional to 272,452.54, 408,694.14 and 82,919.02 is: 124,383.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,452.54 : 408,694.14 = 82,919.02 : x
  2. Step 2: Convert to fraction form
    272,452.54/408,694.14 = 82,919.02/x
  3. Step 3: Cross multiply
    272,452.54x = 408,694.14 × 82,919.02
  4. Step 4: Simplify right side
    272,452.54x = 33,888,517,568.54
  5. Step 5: Solve for x
    x = 33,888,517,568.54/272,452.54
  6. Step 6: Final answer
    x = 124,383.20

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Why These Related Problems?

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