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Finding the Fourth Proportional to 339,879.80, 509,382.30 and 162,003.80

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Solution

The fourth proportional to 339,879.80, 509,382.30 and 162,003.80 is: 242,797.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,879.80 : 509,382.30 = 162,003.80 : x
  2. Step 2: Convert to fraction form
    339,879.80/509,382.30 = 162,003.80/x
  3. Step 3: Cross multiply
    339,879.80x = 509,382.30 × 162,003.80
  4. Step 4: Simplify right side
    339,879.80x = 82,521,868,252.74
  5. Step 5: Solve for x
    x = 82,521,868,252.74/339,879.80
  6. Step 6: Final answer
    x = 242,797.21

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