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Finding the Fourth Proportional to 195.33, 293.02 and 126.99

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Solution

The fourth proportional to 195.33, 293.02 and 126.99 is: 190.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.33 : 293.02 = 126.99 : x
  2. Step 2: Convert to fraction form
    195.33/293.02 = 126.99/x
  3. Step 3: Cross multiply
    195.33x = 293.02 × 126.99
  4. Step 4: Simplify right side
    195.33x = 37,210.61
  5. Step 5: Solve for x
    x = 37,210.61/195.33
  6. Step 6: Final answer
    x = 190.50

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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.