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Finding the Fourth Proportional to 197,872.72, 273,063.72 and 107,229.04

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Solution

The fourth proportional to 197,872.72, 273,063.72 and 107,229.04 is: 147,975.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,872.72 : 273,063.72 = 107,229.04 : x
  2. Step 2: Convert to fraction form
    197,872.72/273,063.72 = 107,229.04/x
  3. Step 3: Cross multiply
    197,872.72x = 273,063.72 × 107,229.04
  4. Step 4: Simplify right side
    197,872.72x = 29,280,360,554.43
  5. Step 5: Solve for x
    x = 29,280,360,554.43/197,872.72
  6. Step 6: Final answer
    x = 147,975.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.