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Finding the Fourth Proportional to 296.91, 444.96 and 160.11

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Solution

The fourth proportional to 296.91, 444.96 and 160.11 is: 239.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.91 : 444.96 = 160.11 : x
  2. Step 2: Convert to fraction form
    296.91/444.96 = 160.11/x
  3. Step 3: Cross multiply
    296.91x = 444.96 × 160.11
  4. Step 4: Simplify right side
    296.91x = 71,242.55
  5. Step 5: Solve for x
    x = 71,242.55/296.91
  6. Step 6: Final answer
    x = 239.95

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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.