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Finding the Fourth Proportional to 197.19, 295.70 and 116.06

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Solution

The fourth proportional to 197.19, 295.70 and 116.06 is: 174.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.19 : 295.70 = 116.06 : x
  2. Step 2: Convert to fraction form
    197.19/295.70 = 116.06/x
  3. Step 3: Cross multiply
    197.19x = 295.70 × 116.06
  4. Step 4: Simplify right side
    197.19x = 34,316.88
  5. Step 5: Solve for x
    x = 34,316.88/197.19
  6. Step 6: Final answer
    x = 174.03

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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.