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Finding the Fourth Proportional to 228,822.40, 343,233.60 and 154,172.80

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Solution

The fourth proportional to 228,822.40, 343,233.60 and 154,172.80 is: 231,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,822.40 : 343,233.60 = 154,172.80 : x
  2. Step 2: Convert to fraction form
    228,822.40/343,233.60 = 154,172.80/x
  3. Step 3: Cross multiply
    228,822.40x = 343,233.60 × 154,172.80
  4. Step 4: Simplify right side
    228,822.40x = 52,917,285,166.08
  5. Step 5: Solve for x
    x = 52,917,285,166.08/228,822.40
  6. Step 6: Final answer
    x = 231,259.20

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