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Finding the Fourth Proportional to 150.37, 225.57 and 52.88

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Solution

The fourth proportional to 150.37, 225.57 and 52.88 is: 79.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.37 : 225.57 = 52.88 : x
  2. Step 2: Convert to fraction form
    150.37/225.57 = 52.88/x
  3. Step 3: Cross multiply
    150.37x = 225.57 × 52.88
  4. Step 4: Simplify right side
    150.37x = 11,928.17
  5. Step 5: Solve for x
    x = 11,928.17/150.37
  6. Step 6: Final answer
    x = 79.33

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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.