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Finding the Fourth Proportional to 175.54, 263.26 and 84.06

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Solution

The fourth proportional to 175.54, 263.26 and 84.06 is: 126.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.54 : 263.26 = 84.06 : x
  2. Step 2: Convert to fraction form
    175.54/263.26 = 84.06/x
  3. Step 3: Cross multiply
    175.54x = 263.26 × 84.06
  4. Step 4: Simplify right side
    175.54x = 22,128.32
  5. Step 5: Solve for x
    x = 22,128.32/175.54
  6. Step 6: Final answer
    x = 126.06

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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.