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Finding the Fourth Proportional to 111,274.32, 166,909.11 and 27,034.89

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Solution

The fourth proportional to 111,274.32, 166,909.11 and 27,034.89 is: 40,551.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,274.32 : 166,909.11 = 27,034.89 : x
  2. Step 2: Convert to fraction form
    111,274.32/166,909.11 = 27,034.89/x
  3. Step 3: Cross multiply
    111,274.32x = 166,909.11 × 27,034.89
  4. Step 4: Simplify right side
    111,274.32x = 4,512,369,428.85
  5. Step 5: Solve for x
    x = 4,512,369,428.85/111,274.32
  6. Step 6: Final answer
    x = 40,551.76

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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.