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Finding the Fourth Proportional to 233.86, 350.54 and 96.90

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Solution

The fourth proportional to 233.86, 350.54 and 96.90 is: 145.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.86 : 350.54 = 96.90 : x
  2. Step 2: Convert to fraction form
    233.86/350.54 = 96.90/x
  3. Step 3: Cross multiply
    233.86x = 350.54 × 96.90
  4. Step 4: Simplify right side
    233.86x = 33,967.33
  5. Step 5: Solve for x
    x = 33,967.33/233.86
  6. Step 6: Final answer
    x = 145.25

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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.