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Finding the Fourth Proportional to 223.59, 335.16 and 95.43

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Solution

The fourth proportional to 223.59, 335.16 and 95.43 is: 143.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.59 : 335.16 = 95.43 : x
  2. Step 2: Convert to fraction form
    223.59/335.16 = 95.43/x
  3. Step 3: Cross multiply
    223.59x = 335.16 × 95.43
  4. Step 4: Simplify right side
    223.59x = 31,984.32
  5. Step 5: Solve for x
    x = 31,984.32/223.59
  6. Step 6: Final answer
    x = 143.05

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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.