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Finding the Fourth Proportional to 174.23, 261.38 and 58.67

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Solution

The fourth proportional to 174.23, 261.38 and 58.67 is: 88.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.23 : 261.38 = 58.67 : x
  2. Step 2: Convert to fraction form
    174.23/261.38 = 58.67/x
  3. Step 3: Cross multiply
    174.23x = 261.38 × 58.67
  4. Step 4: Simplify right side
    174.23x = 15,335.96
  5. Step 5: Solve for x
    x = 15,335.96/174.23
  6. Step 6: Final answer
    x = 88.02

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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.