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Finding the Fourth Proportional to 296.09, 444.31 and 111.12

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Solution

The fourth proportional to 296.09, 444.31 and 111.12 is: 166.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.09 : 444.31 = 111.12 : x
  2. Step 2: Convert to fraction form
    296.09/444.31 = 111.12/x
  3. Step 3: Cross multiply
    296.09x = 444.31 × 111.12
  4. Step 4: Simplify right side
    296.09x = 49,372.60
  5. Step 5: Solve for x
    x = 49,372.60/296.09
  6. Step 6: Final answer
    x = 166.75

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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.