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Finding the Fourth Proportional to 313,086.50, 432,059.40 and 178,976.42

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Solution

The fourth proportional to 313,086.50, 432,059.40 and 178,976.42 is: 246,987.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,086.50 : 432,059.40 = 178,976.42 : x
  2. Step 2: Convert to fraction form
    313,086.50/432,059.40 = 178,976.42/x
  3. Step 3: Cross multiply
    313,086.50x = 432,059.40 × 178,976.42
  4. Step 4: Simplify right side
    313,086.50x = 77,328,444,639.35
  5. Step 5: Solve for x
    x = 77,328,444,639.35/313,086.50
  6. Step 6: Final answer
    x = 246,987.48

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