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Finding the Fourth Proportional to 184.35, 276.29 and 103.25

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Solution

The fourth proportional to 184.35, 276.29 and 103.25 is: 154.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.35 : 276.29 = 103.25 : x
  2. Step 2: Convert to fraction form
    184.35/276.29 = 103.25/x
  3. Step 3: Cross multiply
    184.35x = 276.29 × 103.25
  4. Step 4: Simplify right side
    184.35x = 28,525.56
  5. Step 5: Solve for x
    x = 28,525.56/184.35
  6. Step 6: Final answer
    x = 154.74

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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.