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Finding the Fourth Proportional to 194.29, 268.04 and 124.33

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Solution

The fourth proportional to 194.29, 268.04 and 124.33 is: 171.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.29 : 268.04 = 124.33 : x
  2. Step 2: Convert to fraction form
    194.29/268.04 = 124.33/x
  3. Step 3: Cross multiply
    194.29x = 268.04 × 124.33
  4. Step 4: Simplify right side
    194.29x = 33,325.13
  5. Step 5: Solve for x
    x = 33,325.13/194.29
  6. Step 6: Final answer
    x = 171.52

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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.