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Finding the Fourth Proportional to 167,608.50, 251,363.54 and 49,251.70

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Solution

The fourth proportional to 167,608.50, 251,363.54 and 49,251.70 is: 73,863.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,608.50 : 251,363.54 = 49,251.70 : x
  2. Step 2: Convert to fraction form
    167,608.50/251,363.54 = 49,251.70/x
  3. Step 3: Cross multiply
    167,608.50x = 251,363.54 × 49,251.70
  4. Step 4: Simplify right side
    167,608.50x = 12,380,081,663.02
  5. Step 5: Solve for x
    x = 12,380,081,663.02/167,608.50
  6. Step 6: Final answer
    x = 73,863.09

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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.