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Finding the Fourth Proportional to 235.54, 324.66 and 194.01

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Solution

The fourth proportional to 235.54, 324.66 and 194.01 is: 267.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.54 : 324.66 = 194.01 : x
  2. Step 2: Convert to fraction form
    235.54/324.66 = 194.01/x
  3. Step 3: Cross multiply
    235.54x = 324.66 × 194.01
  4. Step 4: Simplify right side
    235.54x = 62,987.29
  5. Step 5: Solve for x
    x = 62,987.29/235.54
  6. Step 6: Final answer
    x = 267.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.