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Finding the Fourth Proportional to 115,406.20, 173,004.81 and 45,266.68

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Solution

The fourth proportional to 115,406.20, 173,004.81 and 45,266.68 is: 67,859.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,406.20 : 173,004.81 = 45,266.68 : x
  2. Step 2: Convert to fraction form
    115,406.20/173,004.81 = 45,266.68/x
  3. Step 3: Cross multiply
    115,406.20x = 173,004.81 × 45,266.68
  4. Step 4: Simplify right side
    115,406.20x = 7,831,353,372.73
  5. Step 5: Solve for x
    x = 7,831,353,372.73/115,406.20
  6. Step 6: Final answer
    x = 67,859.04

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