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Finding the Fourth Proportional to 175.67, 263.56 and 53.95

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Solution

The fourth proportional to 175.67, 263.56 and 53.95 is: 80.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.67 : 263.56 = 53.95 : x
  2. Step 2: Convert to fraction form
    175.67/263.56 = 53.95/x
  3. Step 3: Cross multiply
    175.67x = 263.56 × 53.95
  4. Step 4: Simplify right side
    175.67x = 14,219.22
  5. Step 5: Solve for x
    x = 14,219.22/175.67
  6. Step 6: Final answer
    x = 80.94

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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.