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Finding the Fourth Proportional to 222.40, 333.73 and 160.64

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Solution

The fourth proportional to 222.40, 333.73 and 160.64 is: 241.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.40 : 333.73 = 160.64 : x
  2. Step 2: Convert to fraction form
    222.40/333.73 = 160.64/x
  3. Step 3: Cross multiply
    222.40x = 333.73 × 160.64
  4. Step 4: Simplify right side
    222.40x = 53,610.39
  5. Step 5: Solve for x
    x = 53,610.39/222.40
  6. Step 6: Final answer
    x = 241.05

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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.