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Finding the Fourth Proportional to 106,617.74, 160,023.34 and 56,739.83

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Solution

The fourth proportional to 106,617.74, 160,023.34 and 56,739.83 is: 85,161.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,617.74 : 160,023.34 = 56,739.83 : x
  2. Step 2: Convert to fraction form
    106,617.74/160,023.34 = 56,739.83/x
  3. Step 3: Cross multiply
    106,617.74x = 160,023.34 × 56,739.83
  4. Step 4: Simplify right side
    106,617.74x = 9,079,697,107.63
  5. Step 5: Solve for x
    x = 9,079,697,107.63/106,617.74
  6. Step 6: Final answer
    x = 85,161.22

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