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Finding the Fourth Proportional to 184.00, 276.30 and 112.31

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Solution

The fourth proportional to 184.00, 276.30 and 112.31 is: 168.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.00 : 276.30 = 112.31 : x
  2. Step 2: Convert to fraction form
    184.00/276.30 = 112.31/x
  3. Step 3: Cross multiply
    184.00x = 276.30 × 112.31
  4. Step 4: Simplify right side
    184.00x = 31,031.53
  5. Step 5: Solve for x
    x = 31,031.53/184.00
  6. Step 6: Final answer
    x = 168.65

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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.