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Finding the Fourth Proportional to 226,490.80, 339,736.20 and 114,516.40

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Solution

The fourth proportional to 226,490.80, 339,736.20 and 114,516.40 is: 171,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,490.80 : 339,736.20 = 114,516.40 : x
  2. Step 2: Convert to fraction form
    226,490.80/339,736.20 = 114,516.40/x
  3. Step 3: Cross multiply
    226,490.80x = 339,736.20 × 114,516.40
  4. Step 4: Simplify right side
    226,490.80x = 38,905,366,573.68
  5. Step 5: Solve for x
    x = 38,905,366,573.68/226,490.80
  6. Step 6: Final answer
    x = 171,774.60

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