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Finding the Fourth Proportional to 114.56, 171.86 and 37.55

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Solution

The fourth proportional to 114.56, 171.86 and 37.55 is: 56.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.56 : 171.86 = 37.55 : x
  2. Step 2: Convert to fraction form
    114.56/171.86 = 37.55/x
  3. Step 3: Cross multiply
    114.56x = 171.86 × 37.55
  4. Step 4: Simplify right side
    114.56x = 6,453.16
  5. Step 5: Solve for x
    x = 6,453.16/114.56
  6. Step 6: Final answer
    x = 56.33

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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.