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Finding the Fourth Proportional to 95.22, 142.59 and 73.47

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Solution

The fourth proportional to 95.22, 142.59 and 73.47 is: 110.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.22 : 142.59 = 73.47 : x
  2. Step 2: Convert to fraction form
    95.22/142.59 = 73.47/x
  3. Step 3: Cross multiply
    95.22x = 142.59 × 73.47
  4. Step 4: Simplify right side
    95.22x = 10,476.09
  5. Step 5: Solve for x
    x = 10,476.09/95.22
  6. Step 6: Final answer
    x = 110.02

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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.