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Finding the Fourth Proportional to 184.36, 254.33 and 106.69

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Solution

The fourth proportional to 184.36, 254.33 and 106.69 is: 147.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.36 : 254.33 = 106.69 : x
  2. Step 2: Convert to fraction form
    184.36/254.33 = 106.69/x
  3. Step 3: Cross multiply
    184.36x = 254.33 × 106.69
  4. Step 4: Simplify right side
    184.36x = 27,133.93
  5. Step 5: Solve for x
    x = 27,133.93/184.36
  6. Step 6: Final answer
    x = 147.18

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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.