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Finding the Fourth Proportional to 123,722.40, 185,583.60 and 92,618.40

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Solution

The fourth proportional to 123,722.40, 185,583.60 and 92,618.40 is: 138,927.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,722.40 : 185,583.60 = 92,618.40 : x
  2. Step 2: Convert to fraction form
    123,722.40/185,583.60 = 92,618.40/x
  3. Step 3: Cross multiply
    123,722.40x = 185,583.60 × 92,618.40
  4. Step 4: Simplify right side
    123,722.40x = 17,188,456,098.24
  5. Step 5: Solve for x
    x = 17,188,456,098.24/123,722.40
  6. Step 6: Final answer
    x = 138,927.60

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