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Finding the Fourth Proportional to 323,136.87, 445,920.19 and 179,896.96

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Solution

The fourth proportional to 323,136.87, 445,920.19 and 179,896.96 is: 248,252.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,136.87 : 445,920.19 = 179,896.96 : x
  2. Step 2: Convert to fraction form
    323,136.87/445,920.19 = 179,896.96/x
  3. Step 3: Cross multiply
    323,136.87x = 445,920.19 × 179,896.96
  4. Step 4: Simplify right side
    323,136.87x = 80,219,686,583.62
  5. Step 5: Solve for x
    x = 80,219,686,583.62/323,136.87
  6. Step 6: Final answer
    x = 248,252.97

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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.