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Finding the Fourth Proportional to 95.94, 143.90 and 35.07

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Solution

The fourth proportional to 95.94, 143.90 and 35.07 is: 52.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.94 : 143.90 = 35.07 : x
  2. Step 2: Convert to fraction form
    95.94/143.90 = 35.07/x
  3. Step 3: Cross multiply
    95.94x = 143.90 × 35.07
  4. Step 4: Simplify right side
    95.94x = 5,046.57
  5. Step 5: Solve for x
    x = 5,046.57/95.94
  6. Step 6: Final answer
    x = 52.60

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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.