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Finding the Fourth Proportional to 184.41, 276.54 and 74.69

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Solution

The fourth proportional to 184.41, 276.54 and 74.69 is: 112.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.41 : 276.54 = 74.69 : x
  2. Step 2: Convert to fraction form
    184.41/276.54 = 74.69/x
  3. Step 3: Cross multiply
    184.41x = 276.54 × 74.69
  4. Step 4: Simplify right side
    184.41x = 20,655.55
  5. Step 5: Solve for x
    x = 20,655.55/184.41
  6. Step 6: Final answer
    x = 112.01

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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.