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Finding the Fourth Proportional to 383.25, 575.10 and 166.86

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Solution

The fourth proportional to 383.25, 575.10 and 166.86 is: 250.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    383.25 : 575.10 = 166.86 : x
  2. Step 2: Convert to fraction form
    383.25/575.10 = 166.86/x
  3. Step 3: Cross multiply
    383.25x = 575.10 × 166.86
  4. Step 4: Simplify right side
    383.25x = 95,961.19
  5. Step 5: Solve for x
    x = 95,961.19/383.25
  6. Step 6: Final answer
    x = 250.39

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