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Finding the Fourth Proportional to 95.41, 143.09 and 44.03

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Solution

The fourth proportional to 95.41, 143.09 and 44.03 is: 66.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.41 : 143.09 = 44.03 : x
  2. Step 2: Convert to fraction form
    95.41/143.09 = 44.03/x
  3. Step 3: Cross multiply
    95.41x = 143.09 × 44.03
  4. Step 4: Simplify right side
    95.41x = 6,300.25
  5. Step 5: Solve for x
    x = 6,300.25/95.41
  6. Step 6: Final answer
    x = 66.03

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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.