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Finding the Fourth Proportional to 93.67, 140.45 and 44.93

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Solution

The fourth proportional to 93.67, 140.45 and 44.93 is: 67.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.67 : 140.45 = 44.93 : x
  2. Step 2: Convert to fraction form
    93.67/140.45 = 44.93/x
  3. Step 3: Cross multiply
    93.67x = 140.45 × 44.93
  4. Step 4: Simplify right side
    93.67x = 6,310.89
  5. Step 5: Solve for x
    x = 6,310.89/93.67
  6. Step 6: Final answer
    x = 67.37

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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.