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Finding the Fourth Proportional to 137.37, 206.06 and 34.66

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Solution

The fourth proportional to 137.37, 206.06 and 34.66 is: 51.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    137.37 : 206.06 = 34.66 : x
  2. Step 2: Convert to fraction form
    137.37/206.06 = 34.66/x
  3. Step 3: Cross multiply
    137.37x = 206.06 × 34.66
  4. Step 4: Simplify right side
    137.37x = 7,141.58
  5. Step 5: Solve for x
    x = 7,141.58/137.37
  6. Step 6: Final answer
    x = 51.99

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.