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Finding the Fourth Proportional to 184.88, 254.50 and 135.68

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Solution

The fourth proportional to 184.88, 254.50 and 135.68 is: 186.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.88 : 254.50 = 135.68 : x
  2. Step 2: Convert to fraction form
    184.88/254.50 = 135.68/x
  3. Step 3: Cross multiply
    184.88x = 254.50 × 135.68
  4. Step 4: Simplify right side
    184.88x = 34,530.56
  5. Step 5: Solve for x
    x = 34,530.56/184.88
  6. Step 6: Final answer
    x = 186.77

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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.