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Finding the Fourth Proportional to 194,866.56, 268,920 and 109,978.56

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Solution

The fourth proportional to 194,866.56, 268,920 and 109,978.56 is: 151,772.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,866.56 : 268,920 = 109,978.56 : x
  2. Step 2: Convert to fraction form
    194,866.56/268,920 = 109,978.56/x
  3. Step 3: Cross multiply
    194,866.56x = 268,920 × 109,978.56
  4. Step 4: Simplify right side
    194,866.56x = 29,575,434,355.20
  5. Step 5: Solve for x
    x = 29,575,434,355.20/194,866.56
  6. Step 6: Final answer
    x = 151,772.75

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