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Finding the Fourth Proportional to 205,980.60, 308,682.90 and 163,932.60

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Solution

The fourth proportional to 205,980.60, 308,682.90 and 163,932.60 is: 245,669.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,980.60 : 308,682.90 = 163,932.60 : x
  2. Step 2: Convert to fraction form
    205,980.60/308,682.90 = 163,932.60/x
  3. Step 3: Cross multiply
    205,980.60x = 308,682.90 × 163,932.60
  4. Step 4: Simplify right side
    205,980.60x = 50,603,190,372.54
  5. Step 5: Solve for x
    x = 50,603,190,372.54/205,980.60
  6. Step 6: Final answer
    x = 245,669.69

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