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Finding the Fourth Proportional to 93.44, 140.22 and 32.57

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Solution

The fourth proportional to 93.44, 140.22 and 32.57 is: 48.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.44 : 140.22 = 32.57 : x
  2. Step 2: Convert to fraction form
    93.44/140.22 = 32.57/x
  3. Step 3: Cross multiply
    93.44x = 140.22 × 32.57
  4. Step 4: Simplify right side
    93.44x = 4,567.05
  5. Step 5: Solve for x
    x = 4,567.05/93.44
  6. Step 6: Final answer
    x = 48.88

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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.