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Finding the Fourth Proportional to 93.56, 140.32 and 32.68

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Solution

The fourth proportional to 93.56, 140.32 and 32.68 is: 49.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.56 : 140.32 = 32.68 : x
  2. Step 2: Convert to fraction form
    93.56/140.32 = 32.68/x
  3. Step 3: Cross multiply
    93.56x = 140.32 × 32.68
  4. Step 4: Simplify right side
    93.56x = 4,585.66
  5. Step 5: Solve for x
    x = 4,585.66/93.56
  6. Step 6: Final answer
    x = 49.01

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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.