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Finding the Fourth Proportional to 322,149.41, 483,186.58 and 85,510.48

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Solution

The fourth proportional to 322,149.41, 483,186.58 and 85,510.48 is: 128,255.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,149.41 : 483,186.58 = 85,510.48 : x
  2. Step 2: Convert to fraction form
    322,149.41/483,186.58 = 85,510.48/x
  3. Step 3: Cross multiply
    322,149.41x = 483,186.58 × 85,510.48
  4. Step 4: Simplify right side
    322,149.41x = 41,317,516,385.36
  5. Step 5: Solve for x
    x = 41,317,516,385.36/322,149.41
  6. Step 6: Final answer
    x = 128,255.76

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