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Finding the Fourth Proportional to 263,297.79, 363,195.09 and 161,369.01

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Solution

The fourth proportional to 263,297.79, 363,195.09 and 161,369.01 is: 222,593.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,297.79 : 363,195.09 = 161,369.01 : x
  2. Step 2: Convert to fraction form
    263,297.79/363,195.09 = 161,369.01/x
  3. Step 3: Cross multiply
    263,297.79x = 363,195.09 × 161,369.01
  4. Step 4: Simplify right side
    263,297.79x = 58,608,432,110.16
  5. Step 5: Solve for x
    x = 58,608,432,110.16/263,297.79
  6. Step 6: Final answer
    x = 222,593.71

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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.