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Finding the Fourth Proportional to 220.98, 331.74 and 184.53

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Solution

The fourth proportional to 220.98, 331.74 and 184.53 is: 277.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    220.98 : 331.74 = 184.53 : x
  2. Step 2: Convert to fraction form
    220.98/331.74 = 184.53/x
  3. Step 3: Cross multiply
    220.98x = 331.74 × 184.53
  4. Step 4: Simplify right side
    220.98x = 61,215.98
  5. Step 5: Solve for x
    x = 61,215.98/220.98
  6. Step 6: Final answer
    x = 277.02

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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.