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Finding the Fourth Proportional to 123,576.18, 170,536.23 and 66,987.54

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Solution

The fourth proportional to 123,576.18, 170,536.23 and 66,987.54 is: 92,443.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,576.18 : 170,536.23 = 66,987.54 : x
  2. Step 2: Convert to fraction form
    123,576.18/170,536.23 = 66,987.54/x
  3. Step 3: Cross multiply
    123,576.18x = 170,536.23 × 66,987.54
  4. Step 4: Simplify right side
    123,576.18x = 11,423,802,528.57
  5. Step 5: Solve for x
    x = 11,423,802,528.57/123,576.18
  6. Step 6: Final answer
    x = 92,443.40

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