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Finding the Fourth Proportional to 161,408.40, 222,743.16 and 89,792.88

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Solution

The fourth proportional to 161,408.40, 222,743.16 and 89,792.88 is: 123,913.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,408.40 : 222,743.16 = 89,792.88 : x
  2. Step 2: Convert to fraction form
    161,408.40/222,743.16 = 89,792.88/x
  3. Step 3: Cross multiply
    161,408.40x = 222,743.16 × 89,792.88
  4. Step 4: Simplify right side
    161,408.40x = 20,000,749,836.70
  5. Step 5: Solve for x
    x = 20,000,749,836.70/161,408.40
  6. Step 6: Final answer
    x = 123,913.93

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