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Finding the Fourth Proportional to 296.25, 443.94 and 166.10

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Solution

The fourth proportional to 296.25, 443.94 and 166.10 is: 248.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.25 : 443.94 = 166.10 : x
  2. Step 2: Convert to fraction form
    296.25/443.94 = 166.10/x
  3. Step 3: Cross multiply
    296.25x = 443.94 × 166.10
  4. Step 4: Simplify right side
    296.25x = 73,736.21
  5. Step 5: Solve for x
    x = 73,736.21/296.25
  6. Step 6: Final answer
    x = 248.90

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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.