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Finding the Fourth Proportional to 61,691.24, 85,133.89 and 33,396.91

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Solution

The fourth proportional to 61,691.24, 85,133.89 and 33,396.91 is: 46,087.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,691.24 : 85,133.89 = 33,396.91 : x
  2. Step 2: Convert to fraction form
    61,691.24/85,133.89 = 33,396.91/x
  3. Step 3: Cross multiply
    61,691.24x = 85,133.89 × 33,396.91
  4. Step 4: Simplify right side
    61,691.24x = 2,843,208,862.28
  5. Step 5: Solve for x
    x = 2,843,208,862.28/61,691.24
  6. Step 6: Final answer
    x = 46,087.72

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