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Finding the Fourth Proportional to 166.23, 248.07 and 148

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Solution

The fourth proportional to 166.23, 248.07 and 148 is: 220.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.23 : 248.07 = 148 : x
  2. Step 2: Convert to fraction form
    166.23/248.07 = 148/x
  3. Step 3: Cross multiply
    166.23x = 248.07 × 148
  4. Step 4: Simplify right side
    166.23x = 36,714.36
  5. Step 5: Solve for x
    x = 36,714.36/166.23
  6. Step 6: Final answer
    x = 220.86

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