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Finding the Fourth Proportional to 132,499.80, 198,601.74 and 57,682.80

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Solution

The fourth proportional to 132,499.80, 198,601.74 and 57,682.80 is: 86,459.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,499.80 : 198,601.74 = 57,682.80 : x
  2. Step 2: Convert to fraction form
    132,499.80/198,601.74 = 57,682.80/x
  3. Step 3: Cross multiply
    132,499.80x = 198,601.74 × 57,682.80
  4. Step 4: Simplify right side
    132,499.80x = 11,455,904,448.07
  5. Step 5: Solve for x
    x = 11,455,904,448.07/132,499.80
  6. Step 6: Final answer
    x = 86,459.79

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