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Finding the Fourth Proportional to 230.93, 346.60 and 109.26

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Solution

The fourth proportional to 230.93, 346.60 and 109.26 is: 163.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    230.93 : 346.60 = 109.26 : x
  2. Step 2: Convert to fraction form
    230.93/346.60 = 109.26/x
  3. Step 3: Cross multiply
    230.93x = 346.60 × 109.26
  4. Step 4: Simplify right side
    230.93x = 37,869.52
  5. Step 5: Solve for x
    x = 37,869.52/230.93
  6. Step 6: Final answer
    x = 163.99

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Why These Related Problems?

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