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Finding the Fourth Proportional to 184.44, 254.37 and 151.63

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Solution

The fourth proportional to 184.44, 254.37 and 151.63 is: 209.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.44 : 254.37 = 151.63 : x
  2. Step 2: Convert to fraction form
    184.44/254.37 = 151.63/x
  3. Step 3: Cross multiply
    184.44x = 254.37 × 151.63
  4. Step 4: Simplify right side
    184.44x = 38,570.12
  5. Step 5: Solve for x
    x = 38,570.12/184.44
  6. Step 6: Final answer
    x = 209.12

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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.