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Finding the Fourth Proportional to 197.16, 295.52 and 75.34

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Solution

The fourth proportional to 197.16, 295.52 and 75.34 is: 112.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.16 : 295.52 = 75.34 : x
  2. Step 2: Convert to fraction form
    197.16/295.52 = 75.34/x
  3. Step 3: Cross multiply
    197.16x = 295.52 × 75.34
  4. Step 4: Simplify right side
    197.16x = 22,264.48
  5. Step 5: Solve for x
    x = 22,264.48/197.16
  6. Step 6: Final answer
    x = 112.93

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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.