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Finding the Fourth Proportional to 194.99, 269.03 and 124.11

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Solution

The fourth proportional to 194.99, 269.03 and 124.11 is: 171.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.99 : 269.03 = 124.11 : x
  2. Step 2: Convert to fraction form
    194.99/269.03 = 124.11/x
  3. Step 3: Cross multiply
    194.99x = 269.03 × 124.11
  4. Step 4: Simplify right side
    194.99x = 33,388.69
  5. Step 5: Solve for x
    x = 33,388.69/194.99
  6. Step 6: Final answer
    x = 171.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.