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Finding the Fourth Proportional to 196.94, 295.46 and 60

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Solution

The fourth proportional to 196.94, 295.46 and 60 is: 90.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.94 : 295.46 = 60 : x
  2. Step 2: Convert to fraction form
    196.94/295.46 = 60/x
  3. Step 3: Cross multiply
    196.94x = 295.46 × 60
  4. Step 4: Simplify right side
    196.94x = 17,727.60
  5. Step 5: Solve for x
    x = 17,727.60/196.94
  6. Step 6: Final answer
    x = 90.02

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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.