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Finding the Fourth Proportional to 111,257.97, 166,924.22 and 36,381.57

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Solution

The fourth proportional to 111,257.97, 166,924.22 and 36,381.57 is: 54,584.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,257.97 : 166,924.22 = 36,381.57 : x
  2. Step 2: Convert to fraction form
    111,257.97/166,924.22 = 36,381.57/x
  3. Step 3: Cross multiply
    111,257.97x = 166,924.22 × 36,381.57
  4. Step 4: Simplify right side
    111,257.97x = 6,072,965,194.63
  5. Step 5: Solve for x
    x = 6,072,965,194.63/111,257.97
  6. Step 6: Final answer
    x = 54,584.54

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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.