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Finding the Fourth Proportional to 222.50, 333.76 and 114.26

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Solution

The fourth proportional to 222.50, 333.76 and 114.26 is: 171.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.50 : 333.76 = 114.26 : x
  2. Step 2: Convert to fraction form
    222.50/333.76 = 114.26/x
  3. Step 3: Cross multiply
    222.50x = 333.76 × 114.26
  4. Step 4: Simplify right side
    222.50x = 38,135.42
  5. Step 5: Solve for x
    x = 38,135.42/222.50
  6. Step 6: Final answer
    x = 171.40

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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.