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Finding the Fourth Proportional to 184, 276.32 and 102.88

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Solution

The fourth proportional to 184, 276.32 and 102.88 is: 154.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    184 : 276.32 = 102.88 : x
  2. Step 2: Convert to fraction form
    184/276.32 = 102.88/x
  3. Step 3: Cross multiply
    184x = 276.32 × 102.88
  4. Step 4: Simplify right side
    184x = 28,427.80
  5. Step 5: Solve for x
    x = 28,427.80/184
  6. Step 6: Final answer
    x = 154.50

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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.