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Finding the Fourth Proportional to 197.10, 295.59 and 116.00

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Solution

The fourth proportional to 197.10, 295.59 and 116.00 is: 173.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.10 : 295.59 = 116.00 : x
  2. Step 2: Convert to fraction form
    197.10/295.59 = 116.00/x
  3. Step 3: Cross multiply
    197.10x = 295.59 × 116.00
  4. Step 4: Simplify right side
    197.10x = 34,286.96
  5. Step 5: Solve for x
    x = 34,286.96/197.10
  6. Step 6: Final answer
    x = 173.96

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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.