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Finding the Fourth Proportional to 184.26, 275.82 and 115.55

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Solution

The fourth proportional to 184.26, 275.82 and 115.55 is: 172.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.26 : 275.82 = 115.55 : x
  2. Step 2: Convert to fraction form
    184.26/275.82 = 115.55/x
  3. Step 3: Cross multiply
    184.26x = 275.82 × 115.55
  4. Step 4: Simplify right side
    184.26x = 31,871.00
  5. Step 5: Solve for x
    x = 31,871.00/184.26
  6. Step 6: Final answer
    x = 172.97

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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.