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Finding the Fourth Proportional to 68,978.40, 103,485.60 and 22,232.40

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Solution

The fourth proportional to 68,978.40, 103,485.60 and 22,232.40 is: 33,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,978.40 : 103,485.60 = 22,232.40 : x
  2. Step 2: Convert to fraction form
    68,978.40/103,485.60 = 22,232.40/x
  3. Step 3: Cross multiply
    68,978.40x = 103,485.60 × 22,232.40
  4. Step 4: Simplify right side
    68,978.40x = 2,300,733,253.44
  5. Step 5: Solve for x
    x = 2,300,733,253.44/68,978.40
  6. Step 6: Final answer
    x = 33,354.40

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