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Finding the Fourth Proportional to 95.84, 143.76 and 34.14

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Solution

The fourth proportional to 95.84, 143.76 and 34.14 is: 51.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.84 : 143.76 = 34.14 : x
  2. Step 2: Convert to fraction form
    95.84/143.76 = 34.14/x
  3. Step 3: Cross multiply
    95.84x = 143.76 × 34.14
  4. Step 4: Simplify right side
    95.84x = 4,908.63
  5. Step 5: Solve for x
    x = 4,908.63/95.84
  6. Step 6: Final answer
    x = 51.22

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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.