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Finding the Fourth Proportional to 100,761.81, 151,018.17 and 50,856.22

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Solution

The fourth proportional to 100,761.81, 151,018.17 and 50,856.22 is: 76,221.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,761.81 : 151,018.17 = 50,856.22 : x
  2. Step 2: Convert to fraction form
    100,761.81/151,018.17 = 50,856.22/x
  3. Step 3: Cross multiply
    100,761.81x = 151,018.17 × 50,856.22
  4. Step 4: Simplify right side
    100,761.81x = 7,680,213,277.52
  5. Step 5: Solve for x
    x = 7,680,213,277.52/100,761.81
  6. Step 6: Final answer
    x = 76,221.47

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