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Finding the Fourth Proportional to 111,560.82, 167,361.90 and 36,702.66

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Solution

The fourth proportional to 111,560.82, 167,361.90 and 36,702.66 is: 55,060.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,560.82 : 167,361.90 = 36,702.66 : x
  2. Step 2: Convert to fraction form
    111,560.82/167,361.90 = 36,702.66/x
  3. Step 3: Cross multiply
    111,560.82x = 167,361.90 × 36,702.66
  4. Step 4: Simplify right side
    111,560.82x = 6,142,626,912.65
  5. Step 5: Solve for x
    x = 6,142,626,912.65/111,560.82
  6. Step 6: Final answer
    x = 55,060.79

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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.