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Finding the Fourth Proportional to 202.96, 304.30 and 94.69

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Solution

The fourth proportional to 202.96, 304.30 and 94.69 is: 141.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.96 : 304.30 = 94.69 : x
  2. Step 2: Convert to fraction form
    202.96/304.30 = 94.69/x
  3. Step 3: Cross multiply
    202.96x = 304.30 × 94.69
  4. Step 4: Simplify right side
    202.96x = 28,814.17
  5. Step 5: Solve for x
    x = 28,814.17/202.96
  6. Step 6: Final answer
    x = 141.97

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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.