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Finding the Fourth Proportional to 213.35, 294.57 and 192.54

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Solution

The fourth proportional to 213.35, 294.57 and 192.54 is: 265.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    213.35 : 294.57 = 192.54 : x
  2. Step 2: Convert to fraction form
    213.35/294.57 = 192.54/x
  3. Step 3: Cross multiply
    213.35x = 294.57 × 192.54
  4. Step 4: Simplify right side
    213.35x = 56,716.51
  5. Step 5: Solve for x
    x = 56,716.51/213.35
  6. Step 6: Final answer
    x = 265.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.