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Finding the Fourth Proportional to 192,620.70, 269,144.10 and 192,620.70

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Solution

The fourth proportional to 192,620.70, 269,144.10 and 192,620.70 is: 269,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,620.70 : 269,144.10 = 192,620.70 : x
  2. Step 2: Convert to fraction form
    192,620.70/269,144.10 = 192,620.70/x
  3. Step 3: Cross multiply
    192,620.70x = 269,144.10 × 192,620.70
  4. Step 4: Simplify right side
    192,620.70x = 51,842,724,942.87
  5. Step 5: Solve for x
    x = 51,842,724,942.87/192,620.70
  6. Step 6: Final answer
    x = 269,144.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.