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Finding the Fourth Proportional to 81,468.60, 122,202.90 and 34,715.40

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Solution

The fourth proportional to 81,468.60, 122,202.90 and 34,715.40 is: 52,073.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,468.60 : 122,202.90 = 34,715.40 : x
  2. Step 2: Convert to fraction form
    81,468.60/122,202.90 = 34,715.40/x
  3. Step 3: Cross multiply
    81,468.60x = 122,202.90 × 34,715.40
  4. Step 4: Simplify right side
    81,468.60x = 4,242,322,554.66
  5. Step 5: Solve for x
    x = 4,242,322,554.66/81,468.60
  6. Step 6: Final answer
    x = 52,073.10

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