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Finding the Fourth Proportional to 100,961.58, 139,327.93 and 55,641.22

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Solution

The fourth proportional to 100,961.58, 139,327.93 and 55,641.22 is: 76,785.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,961.58 : 139,327.93 = 55,641.22 : x
  2. Step 2: Convert to fraction form
    100,961.58/139,327.93 = 55,641.22/x
  3. Step 3: Cross multiply
    100,961.58x = 139,327.93 × 55,641.22
  4. Step 4: Simplify right side
    100,961.58x = 7,752,376,353.59
  5. Step 5: Solve for x
    x = 7,752,376,353.59/100,961.58
  6. Step 6: Final answer
    x = 76,785.41

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