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Finding the Fourth Proportional to 214.52, 295.26 and 198.32

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Solution

The fourth proportional to 214.52, 295.26 and 198.32 is: 272.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    214.52 : 295.26 = 198.32 : x
  2. Step 2: Convert to fraction form
    214.52/295.26 = 198.32/x
  3. Step 3: Cross multiply
    214.52x = 295.26 × 198.32
  4. Step 4: Simplify right side
    214.52x = 58,555.96
  5. Step 5: Solve for x
    x = 58,555.96/214.52
  6. Step 6: Final answer
    x = 272.96

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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.