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Finding the Fourth Proportional to 184.48, 276.71 and 76.27

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Solution

The fourth proportional to 184.48, 276.71 and 76.27 is: 114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.48 : 276.71 = 76.27 : x
  2. Step 2: Convert to fraction form
    184.48/276.71 = 76.27/x
  3. Step 3: Cross multiply
    184.48x = 276.71 × 76.27
  4. Step 4: Simplify right side
    184.48x = 21,104.67
  5. Step 5: Solve for x
    x = 21,104.67/184.48
  6. Step 6: Final answer
    x = 114.40

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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.