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Finding the Fourth Proportional to 93.44, 140.19 and 35.67

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Solution

The fourth proportional to 93.44, 140.19 and 35.67 is: 53.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.44 : 140.19 = 35.67 : x
  2. Step 2: Convert to fraction form
    93.44/140.19 = 35.67/x
  3. Step 3: Cross multiply
    93.44x = 140.19 × 35.67
  4. Step 4: Simplify right side
    93.44x = 5,000.40
  5. Step 5: Solve for x
    x = 5,000.40/93.44
  6. Step 6: Final answer
    x = 53.51

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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.