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Finding the Fourth Proportional to 93.46, 140.08 and 32.56

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Solution

The fourth proportional to 93.46, 140.08 and 32.56 is: 48.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.46 : 140.08 = 32.56 : x
  2. Step 2: Convert to fraction form
    93.46/140.08 = 32.56/x
  3. Step 3: Cross multiply
    93.46x = 140.08 × 32.56
  4. Step 4: Simplify right side
    93.46x = 4,560.39
  5. Step 5: Solve for x
    x = 4,560.39/93.46
  6. Step 6: Final answer
    x = 48.80

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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.