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Finding the Fourth Proportional to 192,958.46, 266,282.41 and 106,923.01

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Solution

The fourth proportional to 192,958.46, 266,282.41 and 106,923.01 is: 147,553.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,958.46 : 266,282.41 = 106,923.01 : x
  2. Step 2: Convert to fraction form
    192,958.46/266,282.41 = 106,923.01/x
  3. Step 3: Cross multiply
    192,958.46x = 266,282.41 × 106,923.01
  4. Step 4: Simplify right side
    192,958.46x = 28,471,717,753.04
  5. Step 5: Solve for x
    x = 28,471,717,753.04/192,958.46
  6. Step 6: Final answer
    x = 147,553.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.