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Finding the Fourth Proportional to 72,172.77, 108,230.43 and 27,774.84

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Solution

The fourth proportional to 72,172.77, 108,230.43 and 27,774.84 is: 41,651.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,172.77 : 108,230.43 = 27,774.84 : x
  2. Step 2: Convert to fraction form
    72,172.77/108,230.43 = 27,774.84/x
  3. Step 3: Cross multiply
    72,172.77x = 108,230.43 × 27,774.84
  4. Step 4: Simplify right side
    72,172.77x = 3,006,082,876.38
  5. Step 5: Solve for x
    x = 3,006,082,876.38/72,172.77
  6. Step 6: Final answer
    x = 41,651.21

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