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Finding the Fourth Proportional to 149.68, 224.50 and 41.44

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Solution

The fourth proportional to 149.68, 224.50 and 41.44 is: 62.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.68 : 224.50 = 41.44 : x
  2. Step 2: Convert to fraction form
    149.68/224.50 = 41.44/x
  3. Step 3: Cross multiply
    149.68x = 224.50 × 41.44
  4. Step 4: Simplify right side
    149.68x = 9,303.28
  5. Step 5: Solve for x
    x = 9,303.28/149.68
  6. Step 6: Final answer
    x = 62.15

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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.