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Finding the Fourth Proportional to 184.70, 276.93 and 69.14

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Solution

The fourth proportional to 184.70, 276.93 and 69.14 is: 103.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.70 : 276.93 = 69.14 : x
  2. Step 2: Convert to fraction form
    184.70/276.93 = 69.14/x
  3. Step 3: Cross multiply
    184.70x = 276.93 × 69.14
  4. Step 4: Simplify right side
    184.70x = 19,145.56
  5. Step 5: Solve for x
    x = 19,145.56/184.70
  6. Step 6: Final answer
    x = 103.66

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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.