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Finding the Fourth Proportional to 184.38, 254.42 and 110.69

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Solution

The fourth proportional to 184.38, 254.42 and 110.69 is: 152.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.38 : 254.42 = 110.69 : x
  2. Step 2: Convert to fraction form
    184.38/254.42 = 110.69/x
  3. Step 3: Cross multiply
    184.38x = 254.42 × 110.69
  4. Step 4: Simplify right side
    184.38x = 28,161.29
  5. Step 5: Solve for x
    x = 28,161.29/184.38
  6. Step 6: Final answer
    x = 152.74

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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.