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Finding the Fourth Proportional to 144,791.05, 217,197.68 and 48,728.73

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Solution

The fourth proportional to 144,791.05, 217,197.68 and 48,728.73 is: 73,096.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,791.05 : 217,197.68 = 48,728.73 : x
  2. Step 2: Convert to fraction form
    144,791.05/217,197.68 = 48,728.73/x
  3. Step 3: Cross multiply
    144,791.05x = 217,197.68 × 48,728.73
  4. Step 4: Simplify right side
    144,791.05x = 10,583,767,105.35
  5. Step 5: Solve for x
    x = 10,583,767,105.35/144,791.05
  6. Step 6: Final answer
    x = 73,096.83

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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.