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Finding the Fourth Proportional to 174.56, 261.37 and 113.54

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Solution

The fourth proportional to 174.56, 261.37 and 113.54 is: 170.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.56 : 261.37 = 113.54 : x
  2. Step 2: Convert to fraction form
    174.56/261.37 = 113.54/x
  3. Step 3: Cross multiply
    174.56x = 261.37 × 113.54
  4. Step 4: Simplify right side
    174.56x = 29,675.38
  5. Step 5: Solve for x
    x = 29,675.38/174.56
  6. Step 6: Final answer
    x = 170.00

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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.