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Finding the Fourth Proportional to 414,171.54, 621,257.94 and 125,985.72

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Solution

The fourth proportional to 414,171.54, 621,257.94 and 125,985.72 is: 188,978.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,171.54 : 621,257.94 = 125,985.72 : x
  2. Step 2: Convert to fraction form
    414,171.54/621,257.94 = 125,985.72/x
  3. Step 3: Cross multiply
    414,171.54x = 621,257.94 × 125,985.72
  4. Step 4: Simplify right side
    414,171.54x = 78,269,628,876.62
  5. Step 5: Solve for x
    x = 78,269,628,876.62/414,171.54
  6. Step 6: Final answer
    x = 188,978.77

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