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Finding the Fourth Proportional to 95.90, 143.82 and 35.01

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Solution

The fourth proportional to 95.90, 143.82 and 35.01 is: 52.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.90 : 143.82 = 35.01 : x
  2. Step 2: Convert to fraction form
    95.90/143.82 = 35.01/x
  3. Step 3: Cross multiply
    95.90x = 143.82 × 35.01
  4. Step 4: Simplify right side
    95.90x = 5,035.14
  5. Step 5: Solve for x
    x = 5,035.14/95.90
  6. Step 6: Final answer
    x = 52.51

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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.