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Finding the Fourth Proportional to 101,992.05, 140,742.51 and 56,669.22

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Solution

The fourth proportional to 101,992.05, 140,742.51 and 56,669.22 is: 78,199.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,992.05 : 140,742.51 = 56,669.22 : x
  2. Step 2: Convert to fraction form
    101,992.05/140,742.51 = 56,669.22/x
  3. Step 3: Cross multiply
    101,992.05x = 140,742.51 × 56,669.22
  4. Step 4: Simplify right side
    101,992.05x = 7,975,768,262.54
  5. Step 5: Solve for x
    x = 7,975,768,262.54/101,992.05
  6. Step 6: Final answer
    x = 78,199.90

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