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Finding the Fourth Proportional to 194.88, 292.23 and 92.01

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Solution

The fourth proportional to 194.88, 292.23 and 92.01 is: 137.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.88 : 292.23 = 92.01 : x
  2. Step 2: Convert to fraction form
    194.88/292.23 = 92.01/x
  3. Step 3: Cross multiply
    194.88x = 292.23 × 92.01
  4. Step 4: Simplify right side
    194.88x = 26,888.08
  5. Step 5: Solve for x
    x = 26,888.08/194.88
  6. Step 6: Final answer
    x = 137.97

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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.