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Finding the Fourth Proportional to 222,481.38, 306,939.56 and 164,477.39

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Solution

The fourth proportional to 222,481.38, 306,939.56 and 164,477.39 is: 226,916.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,481.38 : 306,939.56 = 164,477.39 : x
  2. Step 2: Convert to fraction form
    222,481.38/306,939.56 = 164,477.39/x
  3. Step 3: Cross multiply
    222,481.38x = 306,939.56 × 164,477.39
  4. Step 4: Simplify right side
    222,481.38x = 50,484,617,716.55
  5. Step 5: Solve for x
    x = 50,484,617,716.55/222,481.38
  6. Step 6: Final answer
    x = 226,916.15

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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.