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Finding the Fourth Proportional to 175.13, 263.07 and 149.75

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Solution

The fourth proportional to 175.13, 263.07 and 149.75 is: 224.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.13 : 263.07 = 149.75 : x
  2. Step 2: Convert to fraction form
    175.13/263.07 = 149.75/x
  3. Step 3: Cross multiply
    175.13x = 263.07 × 149.75
  4. Step 4: Simplify right side
    175.13x = 39,393.42
  5. Step 5: Solve for x
    x = 39,393.42/175.13
  6. Step 6: Final answer
    x = 224.94

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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.