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Finding the Fourth Proportional to 114.06, 171 and 52.38

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Solution

The fourth proportional to 114.06, 171 and 52.38 is: 78.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.06 : 171 = 52.38 : x
  2. Step 2: Convert to fraction form
    114.06/171 = 52.38/x
  3. Step 3: Cross multiply
    114.06x = 171 × 52.38
  4. Step 4: Simplify right side
    114.06x = 8,956.98
  5. Step 5: Solve for x
    x = 8,956.98/114.06
  6. Step 6: Final answer
    x = 78.53

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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.