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Finding the Fourth Proportional to 184.47, 254.22 and 135.37

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Solution

The fourth proportional to 184.47, 254.22 and 135.37 is: 186.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.47 : 254.22 = 135.37 : x
  2. Step 2: Convert to fraction form
    184.47/254.22 = 135.37/x
  3. Step 3: Cross multiply
    184.47x = 254.22 × 135.37
  4. Step 4: Simplify right side
    184.47x = 34,413.76
  5. Step 5: Solve for x
    x = 34,413.76/184.47
  6. Step 6: Final answer
    x = 186.55

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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.