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Finding the Fourth Proportional to 111,764.49, 167,630.33 and 36,887.09

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Solution

The fourth proportional to 111,764.49, 167,630.33 and 36,887.09 is: 55,325.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,764.49 : 167,630.33 = 36,887.09 : x
  2. Step 2: Convert to fraction form
    111,764.49/167,630.33 = 36,887.09/x
  3. Step 3: Cross multiply
    111,764.49x = 167,630.33 × 36,887.09
  4. Step 4: Simplify right side
    111,764.49x = 6,183,394,046.85
  5. Step 5: Solve for x
    x = 6,183,394,046.85/111,764.49
  6. Step 6: Final answer
    x = 55,325.21

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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.