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Finding the Fourth Proportional to 175.97, 263.94 and 52.58

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Solution

The fourth proportional to 175.97, 263.94 and 52.58 is: 78.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.97 : 263.94 = 52.58 : x
  2. Step 2: Convert to fraction form
    175.97/263.94 = 52.58/x
  3. Step 3: Cross multiply
    175.97x = 263.94 × 52.58
  4. Step 4: Simplify right side
    175.97x = 13,877.97
  5. Step 5: Solve for x
    x = 13,877.97/175.97
  6. Step 6: Final answer
    x = 78.87

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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.