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Finding the Fourth Proportional to 242.92, 364.50 and 169.96

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Solution

The fourth proportional to 242.92, 364.50 and 169.96 is: 255.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.92 : 364.50 = 169.96 : x
  2. Step 2: Convert to fraction form
    242.92/364.50 = 169.96/x
  3. Step 3: Cross multiply
    242.92x = 364.50 × 169.96
  4. Step 4: Simplify right side
    242.92x = 61,950.42
  5. Step 5: Solve for x
    x = 61,950.42/242.92
  6. Step 6: Final answer
    x = 255.02

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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.