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Finding the Fourth Proportional to 242.92, 364.36 and 195.13

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Solution

The fourth proportional to 242.92, 364.36 and 195.13 is: 292.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.92 : 364.36 = 195.13 : x
  2. Step 2: Convert to fraction form
    242.92/364.36 = 195.13/x
  3. Step 3: Cross multiply
    242.92x = 364.36 × 195.13
  4. Step 4: Simplify right side
    242.92x = 71,097.57
  5. Step 5: Solve for x
    x = 71,097.57/242.92
  6. Step 6: Final answer
    x = 292.68

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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.