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Finding the Fourth Proportional to 149.24, 223.59 and 95.24

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Solution

The fourth proportional to 149.24, 223.59 and 95.24 is: 142.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.24 : 223.59 = 95.24 : x
  2. Step 2: Convert to fraction form
    149.24/223.59 = 95.24/x
  3. Step 3: Cross multiply
    149.24x = 223.59 × 95.24
  4. Step 4: Simplify right side
    149.24x = 21,294.71
  5. Step 5: Solve for x
    x = 21,294.71/149.24
  6. Step 6: Final answer
    x = 142.69

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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.