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Finding the Fourth Proportional to 353.51, 529.99 and 168.32

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Solution

The fourth proportional to 353.51, 529.99 and 168.32 is: 252.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.51 : 529.99 = 168.32 : x
  2. Step 2: Convert to fraction form
    353.51/529.99 = 168.32/x
  3. Step 3: Cross multiply
    353.51x = 529.99 × 168.32
  4. Step 4: Simplify right side
    353.51x = 89,204.98
  5. Step 5: Solve for x
    x = 89,204.98/353.51
  6. Step 6: Final answer
    x = 252.34

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