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Finding the Fourth Proportional to 184.98, 255.22 and 113.10

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Solution

The fourth proportional to 184.98, 255.22 and 113.10 is: 156.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.98 : 255.22 = 113.10 : x
  2. Step 2: Convert to fraction form
    184.98/255.22 = 113.10/x
  3. Step 3: Cross multiply
    184.98x = 255.22 × 113.10
  4. Step 4: Simplify right side
    184.98x = 28,864.41
  5. Step 5: Solve for x
    x = 28,864.41/184.98
  6. Step 6: Final answer
    x = 156.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.