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Finding the Fourth Proportional to 194.12, 291.90 and 183.24

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Solution

The fourth proportional to 194.12, 291.90 and 183.24 is: 275.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.12 : 291.90 = 183.24 : x
  2. Step 2: Convert to fraction form
    194.12/291.90 = 183.24/x
  3. Step 3: Cross multiply
    194.12x = 291.90 × 183.24
  4. Step 4: Simplify right side
    194.12x = 53,487.76
  5. Step 5: Solve for x
    x = 53,487.76/194.12
  6. Step 6: Final answer
    x = 275.54

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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.