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Finding the Fourth Proportional to 184.13, 276.21 and 55.88

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Solution

The fourth proportional to 184.13, 276.21 and 55.88 is: 83.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.13 : 276.21 = 55.88 : x
  2. Step 2: Convert to fraction form
    184.13/276.21 = 55.88/x
  3. Step 3: Cross multiply
    184.13x = 276.21 × 55.88
  4. Step 4: Simplify right side
    184.13x = 15,433.23
  5. Step 5: Solve for x
    x = 15,433.23/184.13
  6. Step 6: Final answer
    x = 83.82

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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.