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Finding the Fourth Proportional to 116.10, 173.97 and 51.03

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Solution

The fourth proportional to 116.10, 173.97 and 51.03 is: 76.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.10 : 173.97 = 51.03 : x
  2. Step 2: Convert to fraction form
    116.10/173.97 = 51.03/x
  3. Step 3: Cross multiply
    116.10x = 173.97 × 51.03
  4. Step 4: Simplify right side
    116.10x = 8,877.69
  5. Step 5: Solve for x
    x = 8,877.69/116.10
  6. Step 6: Final answer
    x = 76.47

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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.