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Finding the Fourth Proportional to 223.35, 335.01 and 79.07

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Solution

The fourth proportional to 223.35, 335.01 and 79.07 is: 118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.35 : 335.01 = 79.07 : x
  2. Step 2: Convert to fraction form
    223.35/335.01 = 79.07/x
  3. Step 3: Cross multiply
    223.35x = 335.01 × 79.07
  4. Step 4: Simplify right side
    223.35x = 26,489.24
  5. Step 5: Solve for x
    x = 26,489.24/223.35
  6. Step 6: Final answer
    x = 118.60

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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.