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Finding the Fourth Proportional to 222.65, 333.52 and 164.94

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Solution

The fourth proportional to 222.65, 333.52 and 164.94 is: 247.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.65 : 333.52 = 164.94 : x
  2. Step 2: Convert to fraction form
    222.65/333.52 = 164.94/x
  3. Step 3: Cross multiply
    222.65x = 333.52 × 164.94
  4. Step 4: Simplify right side
    222.65x = 55,009.13
  5. Step 5: Solve for x
    x = 55,009.13/222.65
  6. Step 6: Final answer
    x = 247.07

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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.