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Finding the Fourth Proportional to 93.43, 140.14 and 35.65

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Solution

The fourth proportional to 93.43, 140.14 and 35.65 is: 53.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.43 : 140.14 = 35.65 : x
  2. Step 2: Convert to fraction form
    93.43/140.14 = 35.65/x
  3. Step 3: Cross multiply
    93.43x = 140.14 × 35.65
  4. Step 4: Simplify right side
    93.43x = 4,996.50
  5. Step 5: Solve for x
    x = 4,996.50/93.43
  6. Step 6: Final answer
    x = 53.48

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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.