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Finding the Fourth Proportional to 196.23, 294.38 and 59.28

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Solution

The fourth proportional to 196.23, 294.38 and 59.28 is: 88.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.23 : 294.38 = 59.28 : x
  2. Step 2: Convert to fraction form
    196.23/294.38 = 59.28/x
  3. Step 3: Cross multiply
    196.23x = 294.38 × 59.28
  4. Step 4: Simplify right side
    196.23x = 17,450.85
  5. Step 5: Solve for x
    x = 17,450.85/196.23
  6. Step 6: Final answer
    x = 88.93

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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.