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Finding the Fourth Proportional to 101,118.68, 139,543.62 and 55,796.63

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Solution

The fourth proportional to 101,118.68, 139,543.62 and 55,796.63 is: 76,999.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,118.68 : 139,543.62 = 55,796.63 : x
  2. Step 2: Convert to fraction form
    101,118.68/139,543.62 = 55,796.63/x
  3. Step 3: Cross multiply
    101,118.68x = 139,543.62 × 55,796.63
  4. Step 4: Simplify right side
    101,118.68x = 7,786,063,716.60
  5. Step 5: Solve for x
    x = 7,786,063,716.60/101,118.68
  6. Step 6: Final answer
    x = 76,999.26

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