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Finding the Fourth Proportional to 179,721.40, 269,063.70 and 120,623.80

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Solution

The fourth proportional to 179,721.40, 269,063.70 and 120,623.80 is: 180,587.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,721.40 : 269,063.70 = 120,623.80 : x
  2. Step 2: Convert to fraction form
    179,721.40/269,063.70 = 120,623.80/x
  3. Step 3: Cross multiply
    179,721.40x = 269,063.70 × 120,623.80
  4. Step 4: Simplify right side
    179,721.40x = 32,455,485,936.06
  5. Step 5: Solve for x
    x = 32,455,485,936.06/179,721.40
  6. Step 6: Final answer
    x = 180,587.76

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