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Finding the Fourth Proportional to 233.06, 349.46 and 96.20

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Solution

The fourth proportional to 233.06, 349.46 and 96.20 is: 144.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.06 : 349.46 = 96.20 : x
  2. Step 2: Convert to fraction form
    233.06/349.46 = 96.20/x
  3. Step 3: Cross multiply
    233.06x = 349.46 × 96.20
  4. Step 4: Simplify right side
    233.06x = 33,617.57
  5. Step 5: Solve for x
    x = 33,617.57/233.06
  6. Step 6: Final answer
    x = 144.24

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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.