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Finding the Fourth Proportional to 150.57, 225.36 and 109.98

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Solution

The fourth proportional to 150.57, 225.36 and 109.98 is: 164.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.57 : 225.36 = 109.98 : x
  2. Step 2: Convert to fraction form
    150.57/225.36 = 109.98/x
  3. Step 3: Cross multiply
    150.57x = 225.36 × 109.98
  4. Step 4: Simplify right side
    150.57x = 24,785.09
  5. Step 5: Solve for x
    x = 24,785.09/150.57
  6. Step 6: Final answer
    x = 164.61

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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.