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Finding the Fourth Proportional to 233.92, 350.64 and 131.25

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Solution

The fourth proportional to 233.92, 350.64 and 131.25 is: 196.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.92 : 350.64 = 131.25 : x
  2. Step 2: Convert to fraction form
    233.92/350.64 = 131.25/x
  3. Step 3: Cross multiply
    233.92x = 350.64 × 131.25
  4. Step 4: Simplify right side
    233.92x = 46,021.50
  5. Step 5: Solve for x
    x = 46,021.50/233.92
  6. Step 6: Final answer
    x = 196.74

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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.