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Finding the Fourth Proportional to 281,055.02, 387,851.69 and 167,855.90

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Solution

The fourth proportional to 281,055.02, 387,851.69 and 167,855.90 is: 231,638.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,055.02 : 387,851.69 = 167,855.90 : x
  2. Step 2: Convert to fraction form
    281,055.02/387,851.69 = 167,855.90/x
  3. Step 3: Cross multiply
    281,055.02x = 387,851.69 × 167,855.90
  4. Step 4: Simplify right side
    281,055.02x = 65,103,192,971.85
  5. Step 5: Solve for x
    x = 65,103,192,971.85/281,055.02
  6. Step 6: Final answer
    x = 231,638.61

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