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Finding the Fourth Proportional to 184.08, 276.22 and 145.46

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Solution

The fourth proportional to 184.08, 276.22 and 145.46 is: 218.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.08 : 276.22 = 145.46 : x
  2. Step 2: Convert to fraction form
    184.08/276.22 = 145.46/x
  3. Step 3: Cross multiply
    184.08x = 276.22 × 145.46
  4. Step 4: Simplify right side
    184.08x = 40,178.96
  5. Step 5: Solve for x
    x = 40,178.96/184.08
  6. Step 6: Final answer
    x = 218.27

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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.