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Finding the Fourth Proportional to 93.48, 140.22 and 35.73

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Solution

The fourth proportional to 93.48, 140.22 and 35.73 is: 53.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.48 : 140.22 = 35.73 : x
  2. Step 2: Convert to fraction form
    93.48/140.22 = 35.73/x
  3. Step 3: Cross multiply
    93.48x = 140.22 × 35.73
  4. Step 4: Simplify right side
    93.48x = 5,009.88
  5. Step 5: Solve for x
    x = 5,009.88/93.48
  6. Step 6: Final answer
    x = 53.59

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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.