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Finding the Fourth Proportional to 276,049.69, 414,171.73 and 135,906.73

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Solution

The fourth proportional to 276,049.69, 414,171.73 and 135,906.73 is: 203,907.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,049.69 : 414,171.73 = 135,906.73 : x
  2. Step 2: Convert to fraction form
    276,049.69/414,171.73 = 135,906.73/x
  3. Step 3: Cross multiply
    276,049.69x = 414,171.73 × 135,906.73
  4. Step 4: Simplify right side
    276,049.69x = 56,288,724,617.20
  5. Step 5: Solve for x
    x = 56,288,724,617.20/276,049.69
  6. Step 6: Final answer
    x = 203,907.95

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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.