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Finding the Fourth Proportional to 175.66, 263.64 and 73

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Solution

The fourth proportional to 175.66, 263.64 and 73 is: 109.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.66 : 263.64 = 73 : x
  2. Step 2: Convert to fraction form
    175.66/263.64 = 73/x
  3. Step 3: Cross multiply
    175.66x = 263.64 × 73
  4. Step 4: Simplify right side
    175.66x = 19,245.72
  5. Step 5: Solve for x
    x = 19,245.72/175.66
  6. Step 6: Final answer
    x = 109.56

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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.