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Finding the Fourth Proportional to 93.94, 140.92 and 29.82

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Solution

The fourth proportional to 93.94, 140.92 and 29.82 is: 44.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.94 : 140.92 = 29.82 : x
  2. Step 2: Convert to fraction form
    93.94/140.92 = 29.82/x
  3. Step 3: Cross multiply
    93.94x = 140.92 × 29.82
  4. Step 4: Simplify right side
    93.94x = 4,202.23
  5. Step 5: Solve for x
    x = 4,202.23/93.94
  6. Step 6: Final answer
    x = 44.73

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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.