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Finding the Fourth Proportional to 356,844.60, 535,239.09 and 132,099.30

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Solution

The fourth proportional to 356,844.60, 535,239.09 and 132,099.30 is: 198,138.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,844.60 : 535,239.09 = 132,099.30 : x
  2. Step 2: Convert to fraction form
    356,844.60/535,239.09 = 132,099.30/x
  3. Step 3: Cross multiply
    356,844.60x = 535,239.09 × 132,099.30
  4. Step 4: Simplify right side
    356,844.60x = 70,704,709,121.64
  5. Step 5: Solve for x
    x = 70,704,709,121.64/356,844.60
  6. Step 6: Final answer
    x = 198,138.66

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