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Finding the Fourth Proportional to 222,132.28, 306,550.20 and 121,530.28

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Solution

The fourth proportional to 222,132.28, 306,550.20 and 121,530.28 is: 167,715.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,132.28 : 306,550.20 = 121,530.28 : x
  2. Step 2: Convert to fraction form
    222,132.28/306,550.20 = 121,530.28/x
  3. Step 3: Cross multiply
    222,132.28x = 306,550.20 × 121,530.28
  4. Step 4: Simplify right side
    222,132.28x = 37,255,131,640.06
  5. Step 5: Solve for x
    x = 37,255,131,640.06/222,132.28
  6. Step 6: Final answer
    x = 167,715.97

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