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Finding the Fourth Proportional to 184.64, 276.84 and 136.48

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Solution

The fourth proportional to 184.64, 276.84 and 136.48 is: 204.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.64 : 276.84 = 136.48 : x
  2. Step 2: Convert to fraction form
    184.64/276.84 = 136.48/x
  3. Step 3: Cross multiply
    184.64x = 276.84 × 136.48
  4. Step 4: Simplify right side
    184.64x = 37,783.12
  5. Step 5: Solve for x
    x = 37,783.12/184.64
  6. Step 6: Final answer
    x = 204.63

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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.