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Finding the Fourth Proportional to 184.58, 276.87 and 74.94

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Solution

The fourth proportional to 184.58, 276.87 and 74.94 is: 112.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.58 : 276.87 = 74.94 : x
  2. Step 2: Convert to fraction form
    184.58/276.87 = 74.94/x
  3. Step 3: Cross multiply
    184.58x = 276.87 × 74.94
  4. Step 4: Simplify right side
    184.58x = 20,748.64
  5. Step 5: Solve for x
    x = 20,748.64/184.58
  6. Step 6: Final answer
    x = 112.41

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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.