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Finding the Fourth Proportional to 222,017.43, 306,379.49 and 121,415.43

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Solution

The fourth proportional to 222,017.43, 306,379.49 and 121,415.43 is: 167,550.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,017.43 : 306,379.49 = 121,415.43 : x
  2. Step 2: Convert to fraction form
    222,017.43/306,379.49 = 121,415.43/x
  3. Step 3: Cross multiply
    222,017.43x = 306,379.49 × 121,415.43
  4. Step 4: Simplify right side
    222,017.43x = 37,199,196,914.45
  5. Step 5: Solve for x
    x = 37,199,196,914.45/222,017.43
  6. Step 6: Final answer
    x = 167,550.80

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