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Finding the Fourth Proportional to 111,450.43, 167,169.77 and 36,560.72

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Solution

The fourth proportional to 111,450.43, 167,169.77 and 36,560.72 is: 54,839.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,450.43 : 167,169.77 = 36,560.72 : x
  2. Step 2: Convert to fraction form
    111,450.43/167,169.77 = 36,560.72/x
  3. Step 3: Cross multiply
    111,450.43x = 167,169.77 × 36,560.72
  4. Step 4: Simplify right side
    111,450.43x = 6,111,846,790.98
  5. Step 5: Solve for x
    x = 6,111,846,790.98/111,450.43
  6. Step 6: Final answer
    x = 54,839.15

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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.