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Finding the Fourth Proportional to 175.84, 263.85 and 83.27

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Solution

The fourth proportional to 175.84, 263.85 and 83.27 is: 124.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.84 : 263.85 = 83.27 : x
  2. Step 2: Convert to fraction form
    175.84/263.85 = 83.27/x
  3. Step 3: Cross multiply
    175.84x = 263.85 × 83.27
  4. Step 4: Simplify right side
    175.84x = 21,970.79
  5. Step 5: Solve for x
    x = 21,970.79/175.84
  6. Step 6: Final answer
    x = 124.95

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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.