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Finding the Fourth Proportional to 197.51, 295.89 and 176.31

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Solution

The fourth proportional to 197.51, 295.89 and 176.31 is: 264.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.51 : 295.89 = 176.31 : x
  2. Step 2: Convert to fraction form
    197.51/295.89 = 176.31/x
  3. Step 3: Cross multiply
    197.51x = 295.89 × 176.31
  4. Step 4: Simplify right side
    197.51x = 52,167.70
  5. Step 5: Solve for x
    x = 52,167.70/197.51
  6. Step 6: Final answer
    x = 264.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.