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Finding the Fourth Proportional to 165.99, 248.98 and 44.25

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Solution

The fourth proportional to 165.99, 248.98 and 44.25 is: 66.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    165.99 : 248.98 = 44.25 : x
  2. Step 2: Convert to fraction form
    165.99/248.98 = 44.25/x
  3. Step 3: Cross multiply
    165.99x = 248.98 × 44.25
  4. Step 4: Simplify right side
    165.99x = 11,017.14
  5. Step 5: Solve for x
    x = 11,017.14/165.99
  6. Step 6: Final answer
    x = 66.37

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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.