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Finding the Fourth Proportional to 68,833.60, 103,250.75 and 31,368.24

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Solution

The fourth proportional to 68,833.60, 103,250.75 and 31,368.24 is: 47,052.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,833.60 : 103,250.75 = 31,368.24 : x
  2. Step 2: Convert to fraction form
    68,833.60/103,250.75 = 31,368.24/x
  3. Step 3: Cross multiply
    68,833.60x = 103,250.75 × 31,368.24
  4. Step 4: Simplify right side
    68,833.60x = 3,238,794,035.39
  5. Step 5: Solve for x
    x = 3,238,794,035.39/68,833.60
  6. Step 6: Final answer
    x = 47,052.52

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