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Finding the Fourth Proportional to 137,469.46, 206,220.66 and 48,704.80

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Solution

The fourth proportional to 137,469.46, 206,220.66 and 48,704.80 is: 73,063.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,469.46 : 206,220.66 = 48,704.80 : x
  2. Step 2: Convert to fraction form
    137,469.46/206,220.66 = 48,704.80/x
  3. Step 3: Cross multiply
    137,469.46x = 206,220.66 × 48,704.80
  4. Step 4: Simplify right side
    137,469.46x = 10,043,936,001.17
  5. Step 5: Solve for x
    x = 10,043,936,001.17/137,469.46
  6. Step 6: Final answer
    x = 73,063.04

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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.