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Finding the Fourth Proportional to 101,042.94, 139,440.23 and 55,722.53

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Solution

The fourth proportional to 101,042.94, 139,440.23 and 55,722.53 is: 76,897.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,042.94 : 139,440.23 = 55,722.53 : x
  2. Step 2: Convert to fraction form
    101,042.94/139,440.23 = 55,722.53/x
  3. Step 3: Cross multiply
    101,042.94x = 139,440.23 × 55,722.53
  4. Step 4: Simplify right side
    101,042.94x = 7,769,962,991.77
  5. Step 5: Solve for x
    x = 7,769,962,991.77/101,042.94
  6. Step 6: Final answer
    x = 76,897.63

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