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Finding the Fourth Proportional to 68,813, 103,236.84 and 19,565

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Solution

The fourth proportional to 68,813, 103,236.84 and 19,565 is: 29,352.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,813 : 103,236.84 = 19,565 : x
  2. Step 2: Convert to fraction form
    68,813/103,236.84 = 19,565/x
  3. Step 3: Cross multiply
    68,813x = 103,236.84 × 19,565
  4. Step 4: Simplify right side
    68,813x = 2,019,828,774.60
  5. Step 5: Solve for x
    x = 2,019,828,774.60/68,813
  6. Step 6: Final answer
    x = 29,352.43

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