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Finding the Fourth Proportional to 192,660.75, 265,865.81 and 106,614.54

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Solution

The fourth proportional to 192,660.75, 265,865.81 and 106,614.54 is: 147,124.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,660.75 : 265,865.81 = 106,614.54 : x
  2. Step 2: Convert to fraction form
    192,660.75/265,865.81 = 106,614.54/x
  3. Step 3: Cross multiply
    192,660.75x = 265,865.81 × 106,614.54
  4. Step 4: Simplify right side
    192,660.75x = 28,345,160,501.80
  5. Step 5: Solve for x
    x = 28,345,160,501.80/192,660.75
  6. Step 6: Final answer
    x = 147,124.73

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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.