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Finding the Fourth Proportional to 321,102.73, 443,136.36 and 177,862.76

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Solution

The fourth proportional to 321,102.73, 443,136.36 and 177,862.76 is: 245,458.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,102.73 : 443,136.36 = 177,862.76 : x
  2. Step 2: Convert to fraction form
    321,102.73/443,136.36 = 177,862.76/x
  3. Step 3: Cross multiply
    321,102.73x = 443,136.36 × 177,862.76
  4. Step 4: Simplify right side
    321,102.73x = 78,817,456,045.95
  5. Step 5: Solve for x
    x = 78,817,456,045.95/321,102.73
  6. Step 6: Final answer
    x = 245,458.69

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