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Finding the Fourth Proportional to 222.02, 333.50 and 187.86

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Solution

The fourth proportional to 222.02, 333.50 and 187.86 is: 282.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.02 : 333.50 = 187.86 : x
  2. Step 2: Convert to fraction form
    222.02/333.50 = 187.86/x
  3. Step 3: Cross multiply
    222.02x = 333.50 × 187.86
  4. Step 4: Simplify right side
    222.02x = 62,651.31
  5. Step 5: Solve for x
    x = 62,651.31/222.02
  6. Step 6: Final answer
    x = 282.19

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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.