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Finding the Fourth Proportional to 195.84, 294.12 and 159.84

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Solution

The fourth proportional to 195.84, 294.12 and 159.84 is: 240.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.84 : 294.12 = 159.84 : x
  2. Step 2: Convert to fraction form
    195.84/294.12 = 159.84/x
  3. Step 3: Cross multiply
    195.84x = 294.12 × 159.84
  4. Step 4: Simplify right side
    195.84x = 47,012.14
  5. Step 5: Solve for x
    x = 47,012.14/195.84
  6. Step 6: Final answer
    x = 240.05

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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.