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Finding the Fourth Proportional to 123,394.50, 170,284.50 and 66,805.92

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Solution

The fourth proportional to 123,394.50, 170,284.50 and 66,805.92 is: 92,192.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,394.50 : 170,284.50 = 66,805.92 : x
  2. Step 2: Convert to fraction form
    123,394.50/170,284.50 = 66,805.92/x
  3. Step 3: Cross multiply
    123,394.50x = 170,284.50 × 66,805.92
  4. Step 4: Simplify right side
    123,394.50x = 11,376,012,684.24
  5. Step 5: Solve for x
    x = 11,376,012,684.24/123,394.50
  6. Step 6: Final answer
    x = 92,192.22

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