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Finding the Fourth Proportional to 93.97, 141 and 45.88

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Solution

The fourth proportional to 93.97, 141 and 45.88 is: 68.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.97 : 141 = 45.88 : x
  2. Step 2: Convert to fraction form
    93.97/141 = 45.88/x
  3. Step 3: Cross multiply
    93.97x = 141 × 45.88
  4. Step 4: Simplify right side
    93.97x = 6,469.08
  5. Step 5: Solve for x
    x = 6,469.08/93.97
  6. Step 6: Final answer
    x = 68.84

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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.