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Finding the Fourth Proportional to 187,668.30, 281,550.45 and 132,372.30

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Solution

The fourth proportional to 187,668.30, 281,550.45 and 132,372.30 is: 198,592.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,668.30 : 281,550.45 = 132,372.30 : x
  2. Step 2: Convert to fraction form
    187,668.30/281,550.45 = 132,372.30/x
  3. Step 3: Cross multiply
    187,668.30x = 281,550.45 × 132,372.30
  4. Step 4: Simplify right side
    187,668.30x = 37,269,480,632.54
  5. Step 5: Solve for x
    x = 37,269,480,632.54/187,668.30
  6. Step 6: Final answer
    x = 198,592.31

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1.5x scale

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.