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Finding the Fourth Proportional to 114.04, 171.24 and 97

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Solution

The fourth proportional to 114.04, 171.24 and 97 is: 145.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.04 : 171.24 = 97 : x
  2. Step 2: Convert to fraction form
    114.04/171.24 = 97/x
  3. Step 3: Cross multiply
    114.04x = 171.24 × 97
  4. Step 4: Simplify right side
    114.04x = 16,610.28
  5. Step 5: Solve for x
    x = 16,610.28/114.04
  6. Step 6: Final answer
    x = 145.65

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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.