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Finding the Fourth Proportional to 93.67, 129.24 and 60.92

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Solution

The fourth proportional to 93.67, 129.24 and 60.92 is: 84.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.67 : 129.24 = 60.92 : x
  2. Step 2: Convert to fraction form
    93.67/129.24 = 60.92/x
  3. Step 3: Cross multiply
    93.67x = 129.24 × 60.92
  4. Step 4: Simplify right side
    93.67x = 7,872.65
  5. Step 5: Solve for x
    x = 7,872.65/93.67
  6. Step 6: Final answer
    x = 84.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.