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Finding the Fourth Proportional to 197.27, 295.88 and 53.00

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Solution

The fourth proportional to 197.27, 295.88 and 53.00 is: 79.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.27 : 295.88 = 53.00 : x
  2. Step 2: Convert to fraction form
    197.27/295.88 = 53.00/x
  3. Step 3: Cross multiply
    197.27x = 295.88 × 53.00
  4. Step 4: Simplify right side
    197.27x = 15,679.90
  5. Step 5: Solve for x
    x = 15,679.90/197.27
  6. Step 6: Final answer
    x = 79.49

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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.