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Finding the Fourth Proportional to 192,620.95, 288,944.11 and 50,469.71

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Solution

The fourth proportional to 192,620.95, 288,944.11 and 50,469.71 is: 75,707.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,620.95 : 288,944.11 = 50,469.71 : x
  2. Step 2: Convert to fraction form
    192,620.95/288,944.11 = 50,469.71/x
  3. Step 3: Cross multiply
    192,620.95x = 288,944.11 × 50,469.71
  4. Step 4: Simplify right side
    192,620.95x = 14,582,923,740.84
  5. Step 5: Solve for x
    x = 14,582,923,740.84/192,620.95
  6. Step 6: Final answer
    x = 75,707.88

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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.