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Finding the Fourth Proportional to 95.03, 142.46 and 49.34

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Solution

The fourth proportional to 95.03, 142.46 and 49.34 is: 73.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.03 : 142.46 = 49.34 : x
  2. Step 2: Convert to fraction form
    95.03/142.46 = 49.34/x
  3. Step 3: Cross multiply
    95.03x = 142.46 × 49.34
  4. Step 4: Simplify right side
    95.03x = 7,028.02
  5. Step 5: Solve for x
    x = 7,028.02/95.03
  6. Step 6: Final answer
    x = 73.96

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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.