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Finding the Fourth Proportional to 175.32, 262.11 and 149.94

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Solution

The fourth proportional to 175.32, 262.11 and 149.94 is: 224.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.32 : 262.11 = 149.94 : x
  2. Step 2: Convert to fraction form
    175.32/262.11 = 149.94/x
  3. Step 3: Cross multiply
    175.32x = 262.11 × 149.94
  4. Step 4: Simplify right side
    175.32x = 39,300.77
  5. Step 5: Solve for x
    x = 39,300.77/175.32
  6. Step 6: Final answer
    x = 224.17

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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.