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Finding the Fourth Proportional to 248.96, 342.98 and 175.16

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Solution

The fourth proportional to 248.96, 342.98 and 175.16 is: 241.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.96 : 342.98 = 175.16 : x
  2. Step 2: Convert to fraction form
    248.96/342.98 = 175.16/x
  3. Step 3: Cross multiply
    248.96x = 342.98 × 175.16
  4. Step 4: Simplify right side
    248.96x = 60,076.38
  5. Step 5: Solve for x
    x = 60,076.38/248.96
  6. Step 6: Final answer
    x = 241.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.