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Finding the Fourth Proportional to 93.43, 140.04 and 50.02

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Solution

The fourth proportional to 93.43, 140.04 and 50.02 is: 74.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.43 : 140.04 = 50.02 : x
  2. Step 2: Convert to fraction form
    93.43/140.04 = 50.02/x
  3. Step 3: Cross multiply
    93.43x = 140.04 × 50.02
  4. Step 4: Simplify right side
    93.43x = 7,004.80
  5. Step 5: Solve for x
    x = 7,004.80/93.43
  6. Step 6: Final answer
    x = 74.97

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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.