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Finding the Fourth Proportional to 115,545.20, 173,026.20 and 92,217.20

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Solution

The fourth proportional to 115,545.20, 173,026.20 and 92,217.20 is: 138,093.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,545.20 : 173,026.20 = 92,217.20 : x
  2. Step 2: Convert to fraction form
    115,545.20/173,026.20 = 92,217.20/x
  3. Step 3: Cross multiply
    115,545.20x = 173,026.20 × 92,217.20
  4. Step 4: Simplify right side
    115,545.20x = 15,955,991,690.64
  5. Step 5: Solve for x
    x = 15,955,991,690.64/115,545.20
  6. Step 6: Final answer
    x = 138,093.07

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