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Finding the Fourth Proportional to 184.35, 254.63 and 137.93

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Solution

The fourth proportional to 184.35, 254.63 and 137.93 is: 190.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.35 : 254.63 = 137.93 : x
  2. Step 2: Convert to fraction form
    184.35/254.63 = 137.93/x
  3. Step 3: Cross multiply
    184.35x = 254.63 × 137.93
  4. Step 4: Simplify right side
    184.35x = 35,122.10
  5. Step 5: Solve for x
    x = 35,122.10/184.35
  6. Step 6: Final answer
    x = 190.51

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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.