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Finding the Fourth Proportional to 150.53, 225.89 and 114.77

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Solution

The fourth proportional to 150.53, 225.89 and 114.77 is: 172.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.53 : 225.89 = 114.77 : x
  2. Step 2: Convert to fraction form
    150.53/225.89 = 114.77/x
  3. Step 3: Cross multiply
    150.53x = 225.89 × 114.77
  4. Step 4: Simplify right side
    150.53x = 25,923.69
  5. Step 5: Solve for x
    x = 25,923.69/150.53
  6. Step 6: Final answer
    x = 172.22

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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.