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Finding the Fourth Proportional to 116,792.28, 161,173.50 and 66,491.28

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Solution

The fourth proportional to 116,792.28, 161,173.50 and 66,491.28 is: 91,758.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,792.28 : 161,173.50 = 66,491.28 : x
  2. Step 2: Convert to fraction form
    116,792.28/161,173.50 = 66,491.28/x
  3. Step 3: Cross multiply
    116,792.28x = 161,173.50 × 66,491.28
  4. Step 4: Simplify right side
    116,792.28x = 10,716,632,317.08
  5. Step 5: Solve for x
    x = 10,716,632,317.08/116,792.28
  6. Step 6: Final answer
    x = 91,758.05

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