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Finding the Fourth Proportional to 95.71, 143.50 and 52.44

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Solution

The fourth proportional to 95.71, 143.50 and 52.44 is: 78.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.71 : 143.50 = 52.44 : x
  2. Step 2: Convert to fraction form
    95.71/143.50 = 52.44/x
  3. Step 3: Cross multiply
    95.71x = 143.50 × 52.44
  4. Step 4: Simplify right side
    95.71x = 7,525.14
  5. Step 5: Solve for x
    x = 7,525.14/95.71
  6. Step 6: Final answer
    x = 78.62

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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.