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Finding the Fourth Proportional to 199,258.80, 274,968.84 and 108,612.78

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Solution

The fourth proportional to 199,258.80, 274,968.84 and 108,612.78 is: 149,881.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,258.80 : 274,968.84 = 108,612.78 : x
  2. Step 2: Convert to fraction form
    199,258.80/274,968.84 = 108,612.78/x
  3. Step 3: Cross multiply
    199,258.80x = 274,968.84 × 108,612.78
  4. Step 4: Simplify right side
    199,258.80x = 29,865,130,125.78
  5. Step 5: Solve for x
    x = 29,865,130,125.78/199,258.80
  6. Step 6: Final answer
    x = 149,881.11

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