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Finding the Fourth Proportional to 281,101.80, 421,652.70 and 163,076.70

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Solution

The fourth proportional to 281,101.80, 421,652.70 and 163,076.70 is: 244,615.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,101.80 : 421,652.70 = 163,076.70 : x
  2. Step 2: Convert to fraction form
    281,101.80/421,652.70 = 163,076.70/x
  3. Step 3: Cross multiply
    281,101.80x = 421,652.70 × 163,076.70
  4. Step 4: Simplify right side
    281,101.80x = 68,761,730,862.09
  5. Step 5: Solve for x
    x = 68,761,730,862.09/281,101.80
  6. Step 6: Final answer
    x = 244,615.05

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