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Finding the Fourth Proportional to 222.10, 332.56 and 167.07

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Solution

The fourth proportional to 222.10, 332.56 and 167.07 is: 250.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.10 : 332.56 = 167.07 : x
  2. Step 2: Convert to fraction form
    222.10/332.56 = 167.07/x
  3. Step 3: Cross multiply
    222.10x = 332.56 × 167.07
  4. Step 4: Simplify right side
    222.10x = 55,560.80
  5. Step 5: Solve for x
    x = 55,560.80/222.10
  6. Step 6: Final answer
    x = 250.16

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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.