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Finding the Fourth Proportional to 187,662.60, 281,512.38 and 54,544.02

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Solution

The fourth proportional to 187,662.60, 281,512.38 and 54,544.02 is: 81,821.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,662.60 : 281,512.38 = 54,544.02 : x
  2. Step 2: Convert to fraction form
    187,662.60/281,512.38 = 54,544.02/x
  3. Step 3: Cross multiply
    187,662.60x = 281,512.38 × 54,544.02
  4. Step 4: Simplify right side
    187,662.60x = 15,354,816,884.97
  5. Step 5: Solve for x
    x = 15,354,816,884.97/187,662.60
  6. Step 6: Final answer
    x = 81,821.40

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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.