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Finding the Fourth Proportional to 192,653.28, 288,856.83 and 92,614.41

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Solution

The fourth proportional to 192,653.28, 288,856.83 and 92,614.41 is: 138,862.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,653.28 : 288,856.83 = 92,614.41 : x
  2. Step 2: Convert to fraction form
    192,653.28/288,856.83 = 92,614.41/x
  3. Step 3: Cross multiply
    192,653.28x = 288,856.83 × 92,614.41
  4. Step 4: Simplify right side
    192,653.28x = 26,752,304,884.92
  5. Step 5: Solve for x
    x = 26,752,304,884.92/192,653.28
  6. Step 6: Final answer
    x = 138,862.44

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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.