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Finding the Fourth Proportional to 194.97, 268.98 and 125.01

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Solution

The fourth proportional to 194.97, 268.98 and 125.01 is: 172.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.97 : 268.98 = 125.01 : x
  2. Step 2: Convert to fraction form
    194.97/268.98 = 125.01/x
  3. Step 3: Cross multiply
    194.97x = 268.98 × 125.01
  4. Step 4: Simplify right side
    194.97x = 33,625.19
  5. Step 5: Solve for x
    x = 33,625.19/194.97
  6. Step 6: Final answer
    x = 172.46

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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.