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Finding the Fourth Proportional to 150.74, 225.60 and 114.46

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Solution

The fourth proportional to 150.74, 225.60 and 114.46 is: 171.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.74 : 225.60 = 114.46 : x
  2. Step 2: Convert to fraction form
    150.74/225.60 = 114.46/x
  3. Step 3: Cross multiply
    150.74x = 225.60 × 114.46
  4. Step 4: Simplify right side
    150.74x = 25,822.18
  5. Step 5: Solve for x
    x = 25,822.18/150.74
  6. Step 6: Final answer
    x = 171.30

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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.