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Finding the Fourth Proportional to 95.24, 142.73 and 70.76

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Solution

The fourth proportional to 95.24, 142.73 and 70.76 is: 106.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.24 : 142.73 = 70.76 : x
  2. Step 2: Convert to fraction form
    95.24/142.73 = 70.76/x
  3. Step 3: Cross multiply
    95.24x = 142.73 × 70.76
  4. Step 4: Simplify right side
    95.24x = 10,098.51
  5. Step 5: Solve for x
    x = 10,098.51/95.24
  6. Step 6: Final answer
    x = 106.03

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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.