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Finding the Fourth Proportional to 262.53, 394.07 and 125.69

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Solution

The fourth proportional to 262.53, 394.07 and 125.69 is: 188.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.53 : 394.07 = 125.69 : x
  2. Step 2: Convert to fraction form
    262.53/394.07 = 125.69/x
  3. Step 3: Cross multiply
    262.53x = 394.07 × 125.69
  4. Step 4: Simplify right side
    262.53x = 49,530.66
  5. Step 5: Solve for x
    x = 49,530.66/262.53
  6. Step 6: Final answer
    x = 188.67

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