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Finding the Fourth Proportional to 184.18, 254.05 and 118.60

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Solution

The fourth proportional to 184.18, 254.05 and 118.60 is: 163.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.18 : 254.05 = 118.60 : x
  2. Step 2: Convert to fraction form
    184.18/254.05 = 118.60/x
  3. Step 3: Cross multiply
    184.18x = 254.05 × 118.60
  4. Step 4: Simplify right side
    184.18x = 30,130.33
  5. Step 5: Solve for x
    x = 30,130.33/184.18
  6. Step 6: Final answer
    x = 163.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.