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Finding the Fourth Proportional to 174.13, 261.23 and 60.13

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Solution

The fourth proportional to 174.13, 261.23 and 60.13 is: 90.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.13 : 261.23 = 60.13 : x
  2. Step 2: Convert to fraction form
    174.13/261.23 = 60.13/x
  3. Step 3: Cross multiply
    174.13x = 261.23 × 60.13
  4. Step 4: Simplify right side
    174.13x = 15,706.30
  5. Step 5: Solve for x
    x = 15,706.30/174.13
  6. Step 6: Final answer
    x = 90.20

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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.