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Finding the Fourth Proportional to 185.24, 255.58 and 107.57

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Solution

The fourth proportional to 185.24, 255.58 and 107.57 is: 148.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.24 : 255.58 = 107.57 : x
  2. Step 2: Convert to fraction form
    185.24/255.58 = 107.57/x
  3. Step 3: Cross multiply
    185.24x = 255.58 × 107.57
  4. Step 4: Simplify right side
    185.24x = 27,491.46
  5. Step 5: Solve for x
    x = 27,491.46/185.24
  6. Step 6: Final answer
    x = 148.41

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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.