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Finding the Fourth Proportional to 184.20, 275.76 and 136.32

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Solution

The fourth proportional to 184.20, 275.76 and 136.32 is: 204.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.20 : 275.76 = 136.32 : x
  2. Step 2: Convert to fraction form
    184.20/275.76 = 136.32/x
  3. Step 3: Cross multiply
    184.20x = 275.76 × 136.32
  4. Step 4: Simplify right side
    184.20x = 37,591.60
  5. Step 5: Solve for x
    x = 37,591.60/184.20
  6. Step 6: Final answer
    x = 204.08

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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.