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Finding the Fourth Proportional to 111,171.24, 166,630.48 and 51,995.88

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Solution

The fourth proportional to 111,171.24, 166,630.48 and 51,995.88 is: 77,934.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,171.24 : 166,630.48 = 51,995.88 : x
  2. Step 2: Convert to fraction form
    111,171.24/166,630.48 = 51,995.88/x
  3. Step 3: Cross multiply
    111,171.24x = 166,630.48 × 51,995.88
  4. Step 4: Simplify right side
    111,171.24x = 8,664,098,442.42
  5. Step 5: Solve for x
    x = 8,664,098,442.42/111,171.24
  6. Step 6: Final answer
    x = 77,934.71

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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.