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Finding the Fourth Proportional to 95.02, 142.49 and 34.14

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Solution

The fourth proportional to 95.02, 142.49 and 34.14 is: 51.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.02 : 142.49 = 34.14 : x
  2. Step 2: Convert to fraction form
    95.02/142.49 = 34.14/x
  3. Step 3: Cross multiply
    95.02x = 142.49 × 34.14
  4. Step 4: Simplify right side
    95.02x = 4,864.61
  5. Step 5: Solve for x
    x = 4,864.61/95.02
  6. Step 6: Final answer
    x = 51.20

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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.