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Finding the Fourth Proportional to 222,959.10, 307,663.20 and 132,299.43

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Solution

The fourth proportional to 222,959.10, 307,663.20 and 132,299.43 is: 182,561.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,959.10 : 307,663.20 = 132,299.43 : x
  2. Step 2: Convert to fraction form
    222,959.10/307,663.20 = 132,299.43/x
  3. Step 3: Cross multiply
    222,959.10x = 307,663.20 × 132,299.43
  4. Step 4: Simplify right side
    222,959.10x = 40,703,665,991.98
  5. Step 5: Solve for x
    x = 40,703,665,991.98/222,959.10
  6. Step 6: Final answer
    x = 182,561.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.