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Finding the Fourth Proportional to 214.14, 294.92 and 199.02

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Solution

The fourth proportional to 214.14, 294.92 and 199.02 is: 274.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    214.14 : 294.92 = 199.02 : x
  2. Step 2: Convert to fraction form
    214.14/294.92 = 199.02/x
  3. Step 3: Cross multiply
    214.14x = 294.92 × 199.02
  4. Step 4: Simplify right side
    214.14x = 58,694.98
  5. Step 5: Solve for x
    x = 58,694.98/214.14
  6. Step 6: Final answer
    x = 274.10

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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.