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Finding the Fourth Proportional to 222,563.72, 306,968.41 and 191,571.73

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Solution

The fourth proportional to 222,563.72, 306,968.41 and 191,571.73 is: 264,223.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,563.72 : 306,968.41 = 191,571.73 : x
  2. Step 2: Convert to fraction form
    222,563.72/306,968.41 = 191,571.73/x
  3. Step 3: Cross multiply
    222,563.72x = 306,968.41 × 191,571.73
  4. Step 4: Simplify right side
    222,563.72x = 58,806,468,831.09
  5. Step 5: Solve for x
    x = 58,806,468,831.09/222,563.72
  6. Step 6: Final answer
    x = 264,223.06

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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.