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Finding the Fourth Proportional to 237.34, 327.52 and 139.09

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Solution

The fourth proportional to 237.34, 327.52 and 139.09 is: 191.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.34 : 327.52 = 139.09 : x
  2. Step 2: Convert to fraction form
    237.34/327.52 = 139.09/x
  3. Step 3: Cross multiply
    237.34x = 327.52 × 139.09
  4. Step 4: Simplify right side
    237.34x = 45,555.26
  5. Step 5: Solve for x
    x = 45,555.26/237.34
  6. Step 6: Final answer
    x = 191.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.