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Finding the Fourth Proportional to 94.98, 131 and 70.44

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Solution

The fourth proportional to 94.98, 131 and 70.44 is: 97.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.98 : 131 = 70.44 : x
  2. Step 2: Convert to fraction form
    94.98/131 = 70.44/x
  3. Step 3: Cross multiply
    94.98x = 131 × 70.44
  4. Step 4: Simplify right side
    94.98x = 9,227.64
  5. Step 5: Solve for x
    x = 9,227.64/94.98
  6. Step 6: Final answer
    x = 97.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.