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Finding the Fourth Proportional to 226.51, 339.49 and 104.60

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Solution

The fourth proportional to 226.51, 339.49 and 104.60 is: 156.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.51 : 339.49 = 104.60 : x
  2. Step 2: Convert to fraction form
    226.51/339.49 = 104.60/x
  3. Step 3: Cross multiply
    226.51x = 339.49 × 104.60
  4. Step 4: Simplify right side
    226.51x = 35,510.65
  5. Step 5: Solve for x
    x = 35,510.65/226.51
  6. Step 6: Final answer
    x = 156.77

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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.