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Finding the Fourth Proportional to 196.53, 294.48 and 124.23

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Solution

The fourth proportional to 196.53, 294.48 and 124.23 is: 186.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.53 : 294.48 = 124.23 : x
  2. Step 2: Convert to fraction form
    196.53/294.48 = 124.23/x
  3. Step 3: Cross multiply
    196.53x = 294.48 × 124.23
  4. Step 4: Simplify right side
    196.53x = 36,583.25
  5. Step 5: Solve for x
    x = 36,583.25/196.53
  6. Step 6: Final answer
    x = 186.15

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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.