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Finding the Fourth Proportional to 97.23, 145.96 and 60.67

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Solution

The fourth proportional to 97.23, 145.96 and 60.67 is: 91.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.23 : 145.96 = 60.67 : x
  2. Step 2: Convert to fraction form
    97.23/145.96 = 60.67/x
  3. Step 3: Cross multiply
    97.23x = 145.96 × 60.67
  4. Step 4: Simplify right side
    97.23x = 8,854.88
  5. Step 5: Solve for x
    x = 8,854.88/97.23
  6. Step 6: Final answer
    x = 91.07

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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.