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Finding the Fourth Proportional to 175.93, 263.67 and 84.66

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Solution

The fourth proportional to 175.93, 263.67 and 84.66 is: 126.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.93 : 263.67 = 84.66 : x
  2. Step 2: Convert to fraction form
    175.93/263.67 = 84.66/x
  3. Step 3: Cross multiply
    175.93x = 263.67 × 84.66
  4. Step 4: Simplify right side
    175.93x = 22,322.30
  5. Step 5: Solve for x
    x = 22,322.30/175.93
  6. Step 6: Final answer
    x = 126.88

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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.