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Finding the Fourth Proportional to 91,772.10, 137,310.30 and 54,352.26

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Solution

The fourth proportional to 91,772.10, 137,310.30 and 54,352.26 is: 81,322.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,772.10 : 137,310.30 = 54,352.26 : x
  2. Step 2: Convert to fraction form
    91,772.10/137,310.30 = 54,352.26/x
  3. Step 3: Cross multiply
    91,772.10x = 137,310.30 × 54,352.26
  4. Step 4: Simplify right side
    91,772.10x = 7,463,125,126.28
  5. Step 5: Solve for x
    x = 7,463,125,126.28/91,772.10
  6. Step 6: Final answer
    x = 81,322.37

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