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Finding the Fourth Proportional to 93.49, 140.17 and 44.71

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Solution

The fourth proportional to 93.49, 140.17 and 44.71 is: 67.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.49 : 140.17 = 44.71 : x
  2. Step 2: Convert to fraction form
    93.49/140.17 = 44.71/x
  3. Step 3: Cross multiply
    93.49x = 140.17 × 44.71
  4. Step 4: Simplify right side
    93.49x = 6,267.06
  5. Step 5: Solve for x
    x = 6,267.06/93.49
  6. Step 6: Final answer
    x = 67.04

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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.