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Finding the Fourth Proportional to 93.60, 140.27 and 50.24

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Solution

The fourth proportional to 93.60, 140.27 and 50.24 is: 75.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.60 : 140.27 = 50.24 : x
  2. Step 2: Convert to fraction form
    93.60/140.27 = 50.24/x
  3. Step 3: Cross multiply
    93.60x = 140.27 × 50.24
  4. Step 4: Simplify right side
    93.60x = 7,046.34
  5. Step 5: Solve for x
    x = 7,046.34/93.60
  6. Step 6: Final answer
    x = 75.28

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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.