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Finding the Fourth Proportional to 176.06, 263.99 and 84.73

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Solution

The fourth proportional to 176.06, 263.99 and 84.73 is: 127.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.06 : 263.99 = 84.73 : x
  2. Step 2: Convert to fraction form
    176.06/263.99 = 84.73/x
  3. Step 3: Cross multiply
    176.06x = 263.99 × 84.73
  4. Step 4: Simplify right side
    176.06x = 22,367.87
  5. Step 5: Solve for x
    x = 22,367.87/176.06
  6. Step 6: Final answer
    x = 127.05

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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.