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Finding the Fourth Proportional to 222,910.77, 307,571.38 and 132,227.01

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Solution

The fourth proportional to 222,910.77, 307,571.38 and 132,227.01 is: 182,446.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,910.77 : 307,571.38 = 132,227.01 : x
  2. Step 2: Convert to fraction form
    222,910.77/307,571.38 = 132,227.01/x
  3. Step 3: Cross multiply
    222,910.77x = 307,571.38 × 132,227.01
  4. Step 4: Simplify right side
    222,910.77x = 40,669,243,938.97
  5. Step 5: Solve for x
    x = 40,669,243,938.97/222,910.77
  6. Step 6: Final answer
    x = 182,446.29

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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.