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Finding the Fourth Proportional to 228,825.80, 343,238.70 and 154,176.20

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Solution

The fourth proportional to 228,825.80, 343,238.70 and 154,176.20 is: 231,264.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,825.80 : 343,238.70 = 154,176.20 : x
  2. Step 2: Convert to fraction form
    228,825.80/343,238.70 = 154,176.20/x
  3. Step 3: Cross multiply
    228,825.80x = 343,238.70 × 154,176.20
  4. Step 4: Simplify right side
    228,825.80x = 52,919,238,458.94
  5. Step 5: Solve for x
    x = 52,919,238,458.94/228,825.80
  6. Step 6: Final answer
    x = 231,264.30

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