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Finding the Fourth Proportional to 95.22, 143.01 and 73.62

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Solution

The fourth proportional to 95.22, 143.01 and 73.62 is: 110.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.22 : 143.01 = 73.62 : x
  2. Step 2: Convert to fraction form
    95.22/143.01 = 73.62/x
  3. Step 3: Cross multiply
    95.22x = 143.01 × 73.62
  4. Step 4: Simplify right side
    95.22x = 10,528.40
  5. Step 5: Solve for x
    x = 10,528.40/95.22
  6. Step 6: Final answer
    x = 110.57

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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.