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Finding the Fourth Proportional to 184.52, 254.60 and 135.42

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Solution

The fourth proportional to 184.52, 254.60 and 135.42 is: 186.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.52 : 254.60 = 135.42 : x
  2. Step 2: Convert to fraction form
    184.52/254.60 = 135.42/x
  3. Step 3: Cross multiply
    184.52x = 254.60 × 135.42
  4. Step 4: Simplify right side
    184.52x = 34,477.93
  5. Step 5: Solve for x
    x = 34,477.93/184.52
  6. Step 6: Final answer
    x = 186.85

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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.