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Finding the Fourth Proportional to 259,670.80, 389,506.20 and 119,702.80

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Solution

The fourth proportional to 259,670.80, 389,506.20 and 119,702.80 is: 179,554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,670.80 : 389,506.20 = 119,702.80 : x
  2. Step 2: Convert to fraction form
    259,670.80/389,506.20 = 119,702.80/x
  3. Step 3: Cross multiply
    259,670.80x = 389,506.20 × 119,702.80
  4. Step 4: Simplify right side
    259,670.80x = 46,624,982,757.36
  5. Step 5: Solve for x
    x = 46,624,982,757.36/259,670.80
  6. Step 6: Final answer
    x = 179,554.20

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