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Finding the Fourth Proportional to 111,102.75, 166,654.13 and 27,996.75

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Solution

The fourth proportional to 111,102.75, 166,654.13 and 27,996.75 is: 41,995.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,102.75 : 166,654.13 = 27,996.75 : x
  2. Step 2: Convert to fraction form
    111,102.75/166,654.13 = 27,996.75/x
  3. Step 3: Cross multiply
    111,102.75x = 166,654.13 × 27,996.75
  4. Step 4: Simplify right side
    111,102.75x = 4,665,773,874.09
  5. Step 5: Solve for x
    x = 4,665,773,874.09/111,102.75
  6. Step 6: Final answer
    x = 41,995.13

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Similar ratio
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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.