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Finding the Fourth Proportional to 190,632.75, 285,763.17 and 90,766.11

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Solution

The fourth proportional to 190,632.75, 285,763.17 and 90,766.11 is: 136,060.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,632.75 : 285,763.17 = 90,766.11 : x
  2. Step 2: Convert to fraction form
    190,632.75/285,763.17 = 90,766.11/x
  3. Step 3: Cross multiply
    190,632.75x = 285,763.17 × 90,766.11
  4. Step 4: Simplify right side
    190,632.75x = 25,937,611,322.17
  5. Step 5: Solve for x
    x = 25,937,611,322.17/190,632.75
  6. Step 6: Final answer
    x = 136,060.63

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