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Finding the Fourth Proportional to 175.88, 263.20 and 107.36

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Solution

The fourth proportional to 175.88, 263.20 and 107.36 is: 160.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.88 : 263.20 = 107.36 : x
  2. Step 2: Convert to fraction form
    175.88/263.20 = 107.36/x
  3. Step 3: Cross multiply
    175.88x = 263.20 × 107.36
  4. Step 4: Simplify right side
    175.88x = 28,257.15
  5. Step 5: Solve for x
    x = 28,257.15/175.88
  6. Step 6: Final answer
    x = 160.66

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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.