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Finding the Fourth Proportional to 195.28, 293 and 141.52

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Solution

The fourth proportional to 195.28, 293 and 141.52 is: 212.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.28 : 293 = 141.52 : x
  2. Step 2: Convert to fraction form
    195.28/293 = 141.52/x
  3. Step 3: Cross multiply
    195.28x = 293 × 141.52
  4. Step 4: Simplify right side
    195.28x = 41,465.36
  5. Step 5: Solve for x
    x = 41,465.36/195.28
  6. Step 6: Final answer
    x = 212.34

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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.