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Finding the Fourth Proportional to 296.92, 445.62 and 134.92

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Solution

The fourth proportional to 296.92, 445.62 and 134.92 is: 202.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.92 : 445.62 = 134.92 : x
  2. Step 2: Convert to fraction form
    296.92/445.62 = 134.92/x
  3. Step 3: Cross multiply
    296.92x = 445.62 × 134.92
  4. Step 4: Simplify right side
    296.92x = 60,123.05
  5. Step 5: Solve for x
    x = 60,123.05/296.92
  6. Step 6: Final answer
    x = 202.49

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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.