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Finding the Fourth Proportional to 150.43, 225.60 and 63.77

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Solution

The fourth proportional to 150.43, 225.60 and 63.77 is: 95.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.43 : 225.60 = 63.77 : x
  2. Step 2: Convert to fraction form
    150.43/225.60 = 63.77/x
  3. Step 3: Cross multiply
    150.43x = 225.60 × 63.77
  4. Step 4: Simplify right side
    150.43x = 14,386.43
  5. Step 5: Solve for x
    x = 14,386.43/150.43
  6. Step 6: Final answer
    x = 95.63

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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.