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Finding the Fourth Proportional to 192,989.91, 266,183.78 and 132,570.39

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Solution

The fourth proportional to 192,989.91, 266,183.78 and 132,570.39 is: 182,849.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,989.91 : 266,183.78 = 132,570.39 : x
  2. Step 2: Convert to fraction form
    192,989.91/266,183.78 = 132,570.39/x
  3. Step 3: Cross multiply
    192,989.91x = 266,183.78 × 132,570.39
  4. Step 4: Simplify right side
    192,989.91x = 35,288,086,863.42
  5. Step 5: Solve for x
    x = 35,288,086,863.42/192,989.91
  6. Step 6: Final answer
    x = 182,849.39

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1.5x scale

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.