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Finding the Fourth Proportional to 101,362.51, 139,879.92 and 56,650.51

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Solution

The fourth proportional to 101,362.51, 139,879.92 and 56,650.51 is: 78,177.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,362.51 : 139,879.92 = 56,650.51 : x
  2. Step 2: Convert to fraction form
    101,362.51/139,879.92 = 56,650.51/x
  3. Step 3: Cross multiply
    101,362.51x = 139,879.92 × 56,650.51
  4. Step 4: Simplify right side
    101,362.51x = 7,924,268,523.51
  5. Step 5: Solve for x
    x = 7,924,268,523.51/101,362.51
  6. Step 6: Final answer
    x = 78,177.51

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