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Finding the Fourth Proportional to 199.59, 297.98 and 168.83

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Solution

The fourth proportional to 199.59, 297.98 and 168.83 is: 252.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    199.59 : 297.98 = 168.83 : x
  2. Step 2: Convert to fraction form
    199.59/297.98 = 168.83/x
  3. Step 3: Cross multiply
    199.59x = 297.98 × 168.83
  4. Step 4: Simplify right side
    199.59x = 50,307.96
  5. Step 5: Solve for x
    x = 50,307.96/199.59
  6. Step 6: Final answer
    x = 252.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.