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Finding the Fourth Proportional to 192,229.37, 288,405.75 and 92,396.81

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Solution

The fourth proportional to 192,229.37, 288,405.75 and 92,396.81 is: 138,624.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,229.37 : 288,405.75 = 92,396.81 : x
  2. Step 2: Convert to fraction form
    192,229.37/288,405.75 = 92,396.81/x
  3. Step 3: Cross multiply
    192,229.37x = 288,405.75 × 92,396.81
  4. Step 4: Simplify right side
    192,229.37x = 26,647,769,843.63
  5. Step 5: Solve for x
    x = 26,647,769,843.63/192,229.37
  6. Step 6: Final answer
    x = 138,624.87

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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.