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Finding the Fourth Proportional to 159,610.72, 220,255.96 and 87,011.88

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Solution

The fourth proportional to 159,610.72, 220,255.96 and 87,011.88 is: 120,072.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,610.72 : 220,255.96 = 87,011.88 : x
  2. Step 2: Convert to fraction form
    159,610.72/220,255.96 = 87,011.88/x
  3. Step 3: Cross multiply
    159,610.72x = 220,255.96 × 87,011.88
  4. Step 4: Simplify right side
    159,610.72x = 19,164,885,829.14
  5. Step 5: Solve for x
    x = 19,164,885,829.14/159,610.72
  6. Step 6: Final answer
    x = 120,072.68

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