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Finding the Fourth Proportional to 192,758.08, 289,136.98 and 80,491.16

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Solution

The fourth proportional to 192,758.08, 289,136.98 and 80,491.16 is: 120,736.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,758.08 : 289,136.98 = 80,491.16 : x
  2. Step 2: Convert to fraction form
    192,758.08/289,136.98 = 80,491.16/x
  3. Step 3: Cross multiply
    192,758.08x = 289,136.98 × 80,491.16
  4. Step 4: Simplify right side
    192,758.08x = 23,272,970,919.10
  5. Step 5: Solve for x
    x = 23,272,970,919.10/192,758.08
  6. Step 6: Final answer
    x = 120,736.68

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