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Finding the Fourth Proportional to 222.33, 333.66 and 179.51

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Solution

The fourth proportional to 222.33, 333.66 and 179.51 is: 269.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.33 : 333.66 = 179.51 : x
  2. Step 2: Convert to fraction form
    222.33/333.66 = 179.51/x
  3. Step 3: Cross multiply
    222.33x = 333.66 × 179.51
  4. Step 4: Simplify right side
    222.33x = 59,896.81
  5. Step 5: Solve for x
    x = 59,896.81/222.33
  6. Step 6: Final answer
    x = 269.40

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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.