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Finding the Fourth Proportional to 150.64, 226 and 69.52

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Solution

The fourth proportional to 150.64, 226 and 69.52 is: 104.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.64 : 226 = 69.52 : x
  2. Step 2: Convert to fraction form
    150.64/226 = 69.52/x
  3. Step 3: Cross multiply
    150.64x = 226 × 69.52
  4. Step 4: Simplify right side
    150.64x = 15,711.52
  5. Step 5: Solve for x
    x = 15,711.52/150.64
  6. Step 6: Final answer
    x = 104.30

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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.