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Finding the Fourth Proportional to 223.83, 336.26 and 132.60

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Solution

The fourth proportional to 223.83, 336.26 and 132.60 is: 199.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.83 : 336.26 = 132.60 : x
  2. Step 2: Convert to fraction form
    223.83/336.26 = 132.60/x
  3. Step 3: Cross multiply
    223.83x = 336.26 × 132.60
  4. Step 4: Simplify right side
    223.83x = 44,588.08
  5. Step 5: Solve for x
    x = 44,588.08/223.83
  6. Step 6: Final answer
    x = 199.21

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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.