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Finding the Fourth Proportional to 263,172.92, 394,755.72 and 63,491.62

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Solution

The fourth proportional to 263,172.92, 394,755.72 and 63,491.62 is: 95,236.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,172.92 : 394,755.72 = 63,491.62 : x
  2. Step 2: Convert to fraction form
    263,172.92/394,755.72 = 63,491.62/x
  3. Step 3: Cross multiply
    263,172.92x = 394,755.72 × 63,491.62
  4. Step 4: Simplify right side
    263,172.92x = 25,063,678,193.29
  5. Step 5: Solve for x
    x = 25,063,678,193.29/263,172.92
  6. Step 6: Final answer
    x = 95,236.54

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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.