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Finding the Fourth Proportional to 159,361.20, 238,986.72 and 70,676.73

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Solution

The fourth proportional to 159,361.20, 238,986.72 and 70,676.73 is: 105,990.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,361.20 : 238,986.72 = 70,676.73 : x
  2. Step 2: Convert to fraction form
    159,361.20/238,986.72 = 70,676.73/x
  3. Step 3: Cross multiply
    159,361.20x = 238,986.72 × 70,676.73
  4. Step 4: Simplify right side
    159,361.20x = 16,890,799,883.03
  5. Step 5: Solve for x
    x = 16,890,799,883.03/159,361.20
  6. Step 6: Final answer
    x = 105,990.67

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