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Finding the Fourth Proportional to 195.48, 293.06 and 149.94

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Solution

The fourth proportional to 195.48, 293.06 and 149.94 is: 224.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.48 : 293.06 = 149.94 : x
  2. Step 2: Convert to fraction form
    195.48/293.06 = 149.94/x
  3. Step 3: Cross multiply
    195.48x = 293.06 × 149.94
  4. Step 4: Simplify right side
    195.48x = 43,941.42
  5. Step 5: Solve for x
    x = 43,941.42/195.48
  6. Step 6: Final answer
    x = 224.79

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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.