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Finding the Fourth Proportional to 272,065.62, 408,099.38 and 82,527.62

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Solution

The fourth proportional to 272,065.62, 408,099.38 and 82,527.62 is: 123,791.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,065.62 : 408,099.38 = 82,527.62 : x
  2. Step 2: Convert to fraction form
    272,065.62/408,099.38 = 82,527.62/x
  3. Step 3: Cross multiply
    272,065.62x = 408,099.38 × 82,527.62
  4. Step 4: Simplify right side
    272,065.62x = 33,679,469,225.15
  5. Step 5: Solve for x
    x = 33,679,469,225.15/272,065.62
  6. Step 6: Final answer
    x = 123,791.71

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1.5x scale

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.