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Finding the Fourth Proportional to 222,794, 307,470.30 and 122,192

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Solution

The fourth proportional to 222,794, 307,470.30 and 122,192 is: 168,632.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,794 : 307,470.30 = 122,192 : x
  2. Step 2: Convert to fraction form
    222,794/307,470.30 = 122,192/x
  3. Step 3: Cross multiply
    222,794x = 307,470.30 × 122,192
  4. Step 4: Simplify right side
    222,794x = 37,570,410,897.60
  5. Step 5: Solve for x
    x = 37,570,410,897.60/222,794
  6. Step 6: Final answer
    x = 168,632.96

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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.