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Finding the Fourth Proportional to 235.01, 324.26 and 141.68

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Solution

The fourth proportional to 235.01, 324.26 and 141.68 is: 195.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.01 : 324.26 = 141.68 : x
  2. Step 2: Convert to fraction form
    235.01/324.26 = 141.68/x
  3. Step 3: Cross multiply
    235.01x = 324.26 × 141.68
  4. Step 4: Simplify right side
    235.01x = 45,941.16
  5. Step 5: Solve for x
    x = 45,941.16/235.01
  6. Step 6: Final answer
    x = 195.49

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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.