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Finding the Fourth Proportional to 120,632.54, 166,363.90 and 75,314.66

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Solution

The fourth proportional to 120,632.54, 166,363.90 and 75,314.66 is: 103,866.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,632.54 : 166,363.90 = 75,314.66 : x
  2. Step 2: Convert to fraction form
    120,632.54/166,363.90 = 75,314.66/x
  3. Step 3: Cross multiply
    120,632.54x = 166,363.90 × 75,314.66
  4. Step 4: Simplify right side
    120,632.54x = 12,529,639,544.67
  5. Step 5: Solve for x
    x = 12,529,639,544.67/120,632.54
  6. Step 6: Final answer
    x = 103,866.17

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