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Finding the Fourth Proportional to 184.33, 254.22 and 147.40

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Solution

The fourth proportional to 184.33, 254.22 and 147.40 is: 203.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.33 : 254.22 = 147.40 : x
  2. Step 2: Convert to fraction form
    184.33/254.22 = 147.40/x
  3. Step 3: Cross multiply
    184.33x = 254.22 × 147.40
  4. Step 4: Simplify right side
    184.33x = 37,472.03
  5. Step 5: Solve for x
    x = 37,472.03/184.33
  6. Step 6: Final answer
    x = 203.29

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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.