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Finding the Fourth Proportional to 184.29, 254.41 and 118.81

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Solution

The fourth proportional to 184.29, 254.41 and 118.81 is: 164.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.29 : 254.41 = 118.81 : x
  2. Step 2: Convert to fraction form
    184.29/254.41 = 118.81/x
  3. Step 3: Cross multiply
    184.29x = 254.41 × 118.81
  4. Step 4: Simplify right side
    184.29x = 30,226.45
  5. Step 5: Solve for x
    x = 30,226.45/184.29
  6. Step 6: Final answer
    x = 164.02

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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.