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Finding the Fourth Proportional to 93.93, 140.91 and 48.27

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Solution

The fourth proportional to 93.93, 140.91 and 48.27 is: 72.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.93 : 140.91 = 48.27 : x
  2. Step 2: Convert to fraction form
    93.93/140.91 = 48.27/x
  3. Step 3: Cross multiply
    93.93x = 140.91 × 48.27
  4. Step 4: Simplify right side
    93.93x = 6,801.73
  5. Step 5: Solve for x
    x = 6,801.73/93.93
  6. Step 6: Final answer
    x = 72.41

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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.