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Finding the Fourth Proportional to 107,648.80, 161,473.20 and 60,992.80

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Solution

The fourth proportional to 107,648.80, 161,473.20 and 60,992.80 is: 91,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,648.80 : 161,473.20 = 60,992.80 : x
  2. Step 2: Convert to fraction form
    107,648.80/161,473.20 = 60,992.80/x
  3. Step 3: Cross multiply
    107,648.80x = 161,473.20 × 60,992.80
  4. Step 4: Simplify right side
    107,648.80x = 9,848,702,592.96
  5. Step 5: Solve for x
    x = 9,848,702,592.96/107,648.80
  6. Step 6: Final answer
    x = 91,489.20

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