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Finding the Fourth Proportional to 95.58, 143.46 and 63.54

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Solution

The fourth proportional to 95.58, 143.46 and 63.54 is: 95.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.58 : 143.46 = 63.54 : x
  2. Step 2: Convert to fraction form
    95.58/143.46 = 63.54/x
  3. Step 3: Cross multiply
    95.58x = 143.46 × 63.54
  4. Step 4: Simplify right side
    95.58x = 9,115.45
  5. Step 5: Solve for x
    x = 9,115.45/95.58
  6. Step 6: Final answer
    x = 95.37

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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.