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Finding the Fourth Proportional to 222,958.64, 307,662.62 and 132,299

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Solution

The fourth proportional to 222,958.64, 307,662.62 and 132,299 is: 182,560.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,958.64 : 307,662.62 = 132,299 : x
  2. Step 2: Convert to fraction form
    222,958.64/307,662.62 = 132,299/x
  3. Step 3: Cross multiply
    222,958.64x = 307,662.62 × 132,299
  4. Step 4: Simplify right side
    222,958.64x = 40,703,456,963.38
  5. Step 5: Solve for x
    x = 40,703,456,963.38/222,958.64
  6. Step 6: Final answer
    x = 182,560.57

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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.