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Finding the Fourth Proportional to 71,144.82, 98,185.68 and 39,314.25

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Solution

The fourth proportional to 71,144.82, 98,185.68 and 39,314.25 is: 54,256.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,144.82 : 98,185.68 = 39,314.25 : x
  2. Step 2: Convert to fraction form
    71,144.82/98,185.68 = 39,314.25/x
  3. Step 3: Cross multiply
    71,144.82x = 98,185.68 × 39,314.25
  4. Step 4: Simplify right side
    71,144.82x = 3,860,096,369.94
  5. Step 5: Solve for x
    x = 3,860,096,369.94/71,144.82
  6. Step 6: Final answer
    x = 54,256.89

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