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Finding the Fourth Proportional to 223.06, 334.59 and 114.73

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Solution

The fourth proportional to 223.06, 334.59 and 114.73 is: 172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.06 : 334.59 = 114.73 : x
  2. Step 2: Convert to fraction form
    223.06/334.59 = 114.73/x
  3. Step 3: Cross multiply
    223.06x = 334.59 × 114.73
  4. Step 4: Simplify right side
    223.06x = 38,387.51
  5. Step 5: Solve for x
    x = 38,387.51/223.06
  6. Step 6: Final answer
    x = 172.10

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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.