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Finding the Fourth Proportional to 101,472.82, 139,917.86 and 75,897.21

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Solution

The fourth proportional to 101,472.82, 139,917.86 and 75,897.21 is: 104,652.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,472.82 : 139,917.86 = 75,897.21 : x
  2. Step 2: Convert to fraction form
    101,472.82/139,917.86 = 75,897.21/x
  3. Step 3: Cross multiply
    101,472.82x = 139,917.86 × 75,897.21
  4. Step 4: Simplify right side
    101,472.82x = 10,619,375,632.99
  5. Step 5: Solve for x
    x = 10,619,375,632.99/101,472.82
  6. Step 6: Final answer
    x = 104,652.42

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