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Finding the Fourth Proportional to 123,730.09, 170,747.99 and 67,141.47

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Solution

The fourth proportional to 123,730.09, 170,747.99 and 67,141.47 is: 92,655.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,730.09 : 170,747.99 = 67,141.47 : x
  2. Step 2: Convert to fraction form
    123,730.09/170,747.99 = 67,141.47/x
  3. Step 3: Cross multiply
    123,730.09x = 170,747.99 × 67,141.47
  4. Step 4: Simplify right side
    123,730.09x = 11,464,271,048.15
  5. Step 5: Solve for x
    x = 11,464,271,048.15/123,730.09
  6. Step 6: Final answer
    x = 92,655.48

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