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Finding the Fourth Proportional to 184.70, 276.24 and 107.47

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Solution

The fourth proportional to 184.70, 276.24 and 107.47 is: 160.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.70 : 276.24 = 107.47 : x
  2. Step 2: Convert to fraction form
    184.70/276.24 = 107.47/x
  3. Step 3: Cross multiply
    184.70x = 276.24 × 107.47
  4. Step 4: Simplify right side
    184.70x = 29,687.51
  5. Step 5: Solve for x
    x = 29,687.51/184.70
  6. Step 6: Final answer
    x = 160.73

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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.