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Finding the Fourth Proportional to 111,664.38, 167,522.46 and 36,781.83

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Solution

The fourth proportional to 111,664.38, 167,522.46 and 36,781.83 is: 55,181.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,664.38 : 167,522.46 = 36,781.83 : x
  2. Step 2: Convert to fraction form
    111,664.38/167,522.46 = 36,781.83/x
  3. Step 3: Cross multiply
    111,664.38x = 167,522.46 × 36,781.83
  4. Step 4: Simplify right side
    111,664.38x = 6,161,782,644.90
  5. Step 5: Solve for x
    x = 6,161,782,644.90/111,664.38
  6. Step 6: Final answer
    x = 55,181.27

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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.