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Finding the Fourth Proportional to 317.23, 475.98 and 134.66

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Solution

The fourth proportional to 317.23, 475.98 and 134.66 is: 202.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    317.23 : 475.98 = 134.66 : x
  2. Step 2: Convert to fraction form
    317.23/475.98 = 134.66/x
  3. Step 3: Cross multiply
    317.23x = 475.98 × 134.66
  4. Step 4: Simplify right side
    317.23x = 64,095.47
  5. Step 5: Solve for x
    x = 64,095.47/317.23
  6. Step 6: Final answer
    x = 202.05

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