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Finding the Fourth Proportional to 180,671.31, 271,175.04 and 91,991.16

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Solution

The fourth proportional to 180,671.31, 271,175.04 and 91,991.16 is: 138,072.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,671.31 : 271,175.04 = 91,991.16 : x
  2. Step 2: Convert to fraction form
    180,671.31/271,175.04 = 91,991.16/x
  3. Step 3: Cross multiply
    180,671.31x = 271,175.04 × 91,991.16
  4. Step 4: Simplify right side
    180,671.31x = 24,945,706,492.65
  5. Step 5: Solve for x
    x = 24,945,706,492.65/180,671.31
  6. Step 6: Final answer
    x = 138,072.32

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