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Finding the Fourth Proportional to 184.09, 275.94 and 115.66

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Solution

The fourth proportional to 184.09, 275.94 and 115.66 is: 173.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.09 : 275.94 = 115.66 : x
  2. Step 2: Convert to fraction form
    184.09/275.94 = 115.66/x
  3. Step 3: Cross multiply
    184.09x = 275.94 × 115.66
  4. Step 4: Simplify right side
    184.09x = 31,913.84
  5. Step 5: Solve for x
    x = 31,913.84/184.09
  6. Step 6: Final answer
    x = 173.36

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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.