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Finding the Fourth Proportional to 194.07, 290.90 and 183.95

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Solution

The fourth proportional to 194.07, 290.90 and 183.95 is: 275.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.07 : 290.90 = 183.95 : x
  2. Step 2: Convert to fraction form
    194.07/290.90 = 183.95/x
  3. Step 3: Cross multiply
    194.07x = 290.90 × 183.95
  4. Step 4: Simplify right side
    194.07x = 53,510.06
  5. Step 5: Solve for x
    x = 53,510.06/194.07
  6. Step 6: Final answer
    x = 275.73

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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.