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Finding the Fourth Proportional to 93.46, 140.18 and 32.58

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Solution

The fourth proportional to 93.46, 140.18 and 32.58 is: 48.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.46 : 140.18 = 32.58 : x
  2. Step 2: Convert to fraction form
    93.46/140.18 = 32.58/x
  3. Step 3: Cross multiply
    93.46x = 140.18 × 32.58
  4. Step 4: Simplify right side
    93.46x = 4,567.06
  5. Step 5: Solve for x
    x = 4,567.06/93.46
  6. Step 6: Final answer
    x = 48.87

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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.