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Finding the Fourth Proportional to 114.07, 171.12 and 32.91

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Solution

The fourth proportional to 114.07, 171.12 and 32.91 is: 49.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.07 : 171.12 = 32.91 : x
  2. Step 2: Convert to fraction form
    114.07/171.12 = 32.91/x
  3. Step 3: Cross multiply
    114.07x = 171.12 × 32.91
  4. Step 4: Simplify right side
    114.07x = 5,631.56
  5. Step 5: Solve for x
    x = 5,631.56/114.07
  6. Step 6: Final answer
    x = 49.37

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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.