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Finding the Fourth Proportional to 174.05, 261.12 and 101.96

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Solution

The fourth proportional to 174.05, 261.12 and 101.96 is: 152.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.05 : 261.12 = 101.96 : x
  2. Step 2: Convert to fraction form
    174.05/261.12 = 101.96/x
  3. Step 3: Cross multiply
    174.05x = 261.12 × 101.96
  4. Step 4: Simplify right side
    174.05x = 26,623.80
  5. Step 5: Solve for x
    x = 26,623.80/174.05
  6. Step 6: Final answer
    x = 152.97

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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.