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Finding the Fourth Proportional to 181.44, 248.40 and 176.48

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Solution

The fourth proportional to 181.44, 248.40 and 176.48 is: 241.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.44 : 248.40 = 176.48 : x
  2. Step 2: Convert to fraction form
    181.44/248.40 = 176.48/x
  3. Step 3: Cross multiply
    181.44x = 248.40 × 176.48
  4. Step 4: Simplify right side
    181.44x = 43,837.63
  5. Step 5: Solve for x
    x = 43,837.63/181.44
  6. Step 6: Final answer
    x = 241.61

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.