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Finding the Fourth Proportional to 233.40, 350.19 and 96.42

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Solution

The fourth proportional to 233.40, 350.19 and 96.42 is: 144.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.40 : 350.19 = 96.42 : x
  2. Step 2: Convert to fraction form
    233.40/350.19 = 96.42/x
  3. Step 3: Cross multiply
    233.40x = 350.19 × 96.42
  4. Step 4: Simplify right side
    233.40x = 33,765.32
  5. Step 5: Solve for x
    x = 33,765.32/233.40
  6. Step 6: Final answer
    x = 144.67

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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.