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Finding the Fourth Proportional to 93.52, 140.31 and 44.77

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Solution

The fourth proportional to 93.52, 140.31 and 44.77 is: 67.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.52 : 140.31 = 44.77 : x
  2. Step 2: Convert to fraction form
    93.52/140.31 = 44.77/x
  3. Step 3: Cross multiply
    93.52x = 140.31 × 44.77
  4. Step 4: Simplify right side
    93.52x = 6,280.75
  5. Step 5: Solve for x
    x = 6,280.75/93.52
  6. Step 6: Final answer
    x = 67.16

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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.