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Finding the Fourth Proportional to 199.62, 297.89 and 176.54

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Solution

The fourth proportional to 199.62, 297.89 and 176.54 is: 263.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    199.62 : 297.89 = 176.54 : x
  2. Step 2: Convert to fraction form
    199.62/297.89 = 176.54/x
  3. Step 3: Cross multiply
    199.62x = 297.89 × 176.54
  4. Step 4: Simplify right side
    199.62x = 52,587.13
  5. Step 5: Solve for x
    x = 52,587.13/199.62
  6. Step 6: Final answer
    x = 263.44

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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.