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Finding the Fourth Proportional to 93.96, 140.97 and 63.59

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Solution

The fourth proportional to 93.96, 140.97 and 63.59 is: 95.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.96 : 140.97 = 63.59 : x
  2. Step 2: Convert to fraction form
    93.96/140.97 = 63.59/x
  3. Step 3: Cross multiply
    93.96x = 140.97 × 63.59
  4. Step 4: Simplify right side
    93.96x = 8,963.58
  5. Step 5: Solve for x
    x = 8,963.58/93.96
  6. Step 6: Final answer
    x = 95.40

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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.