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Finding the Fourth Proportional to 111,883.44, 167,825.52 and 76,716.48

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Solution

The fourth proportional to 111,883.44, 167,825.52 and 76,716.48 is: 115,074.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,883.44 : 167,825.52 = 76,716.48 : x
  2. Step 2: Convert to fraction form
    111,883.44/167,825.52 = 76,716.48/x
  3. Step 3: Cross multiply
    111,883.44x = 167,825.52 × 76,716.48
  4. Step 4: Simplify right side
    111,883.44x = 12,874,983,148.57
  5. Step 5: Solve for x
    x = 12,874,983,148.57/111,883.44
  6. Step 6: Final answer
    x = 115,074.97

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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.