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Finding the Fourth Proportional to 94.10, 124.87 and 94.10

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Solution

The fourth proportional to 94.10, 124.87 and 94.10 is: 124.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.10 : 124.87 = 94.10 : x
  2. Step 2: Convert to fraction form
    94.10/124.87 = 94.10/x
  3. Step 3: Cross multiply
    94.10x = 124.87 × 94.10
  4. Step 4: Simplify right side
    94.10x = 11,749.80
  5. Step 5: Solve for x
    x = 11,749.80/94.10
  6. Step 6: Final answer
    x = 124.87

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.