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Finding the Fourth Proportional to 187,340.40, 281,010.60 and 116,481.60

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Solution

The fourth proportional to 187,340.40, 281,010.60 and 116,481.60 is: 174,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,340.40 : 281,010.60 = 116,481.60 : x
  2. Step 2: Convert to fraction form
    187,340.40/281,010.60 = 116,481.60/x
  3. Step 3: Cross multiply
    187,340.40x = 281,010.60 × 116,481.60
  4. Step 4: Simplify right side
    187,340.40x = 32,732,564,304.96
  5. Step 5: Solve for x
    x = 32,732,564,304.96/187,340.40
  6. Step 6: Final answer
    x = 174,722.40

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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.