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Finding the Fourth Proportional to 187,673.80, 281,558.70 and 132,377.80

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Solution

The fourth proportional to 187,673.80, 281,558.70 and 132,377.80 is: 198,600.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,673.80 : 281,558.70 = 132,377.80 : x
  2. Step 2: Convert to fraction form
    187,673.80/281,558.70 = 132,377.80/x
  3. Step 3: Cross multiply
    187,673.80x = 281,558.70 × 132,377.80
  4. Step 4: Simplify right side
    187,673.80x = 37,272,121,276.86
  5. Step 5: Solve for x
    x = 37,272,121,276.86/187,673.80
  6. Step 6: Final answer
    x = 198,600.56

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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.