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Finding the Fourth Proportional to 93.52, 140.22 and 50.68

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Solution

The fourth proportional to 93.52, 140.22 and 50.68 is: 75.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.52 : 140.22 = 50.68 : x
  2. Step 2: Convert to fraction form
    93.52/140.22 = 50.68/x
  3. Step 3: Cross multiply
    93.52x = 140.22 × 50.68
  4. Step 4: Simplify right side
    93.52x = 7,106.35
  5. Step 5: Solve for x
    x = 7,106.35/93.52
  6. Step 6: Final answer
    x = 75.99

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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.