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Finding the Fourth Proportional to 248.08, 372.14 and 110.98

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Solution

The fourth proportional to 248.08, 372.14 and 110.98 is: 166.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.08 : 372.14 = 110.98 : x
  2. Step 2: Convert to fraction form
    248.08/372.14 = 110.98/x
  3. Step 3: Cross multiply
    248.08x = 372.14 × 110.98
  4. Step 4: Simplify right side
    248.08x = 41,300.10
  5. Step 5: Solve for x
    x = 41,300.10/248.08
  6. Step 6: Final answer
    x = 166.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.