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Finding the Fourth Proportional to 93.27, 140.02 and 62.92

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Solution

The fourth proportional to 93.27, 140.02 and 62.92 is: 94.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.27 : 140.02 = 62.92 : x
  2. Step 2: Convert to fraction form
    93.27/140.02 = 62.92/x
  3. Step 3: Cross multiply
    93.27x = 140.02 × 62.92
  4. Step 4: Simplify right side
    93.27x = 8,809.55
  5. Step 5: Solve for x
    x = 8,809.55/93.27
  6. Step 6: Final answer
    x = 94.45

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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.