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Finding the Fourth Proportional to 111,256.97, 166,922.72 and 36,380.57

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Solution

The fourth proportional to 111,256.97, 166,922.72 and 36,380.57 is: 54,583.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,256.97 : 166,922.72 = 36,380.57 : x
  2. Step 2: Convert to fraction form
    111,256.97/166,922.72 = 36,380.57/x
  3. Step 3: Cross multiply
    111,256.97x = 166,922.72 × 36,380.57
  4. Step 4: Simplify right side
    111,256.97x = 6,072,743,517.65
  5. Step 5: Solve for x
    x = 6,072,743,517.65/111,256.97
  6. Step 6: Final answer
    x = 54,583.04

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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.