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Finding the Fourth Proportional to 216,837.22, 325,286.82 and 67,090.30

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Solution

The fourth proportional to 216,837.22, 325,286.82 and 67,090.30 is: 100,645.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,837.22 : 325,286.82 = 67,090.30 : x
  2. Step 2: Convert to fraction form
    216,837.22/325,286.82 = 67,090.30/x
  3. Step 3: Cross multiply
    216,837.22x = 325,286.82 × 67,090.30
  4. Step 4: Simplify right side
    216,837.22x = 21,823,590,339.85
  5. Step 5: Solve for x
    x = 21,823,590,339.85/216,837.22
  6. Step 6: Final answer
    x = 100,645.04

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