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Finding the Fourth Proportional to 196.62, 294.95 and 59.66

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Solution

The fourth proportional to 196.62, 294.95 and 59.66 is: 89.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.62 : 294.95 = 59.66 : x
  2. Step 2: Convert to fraction form
    196.62/294.95 = 59.66/x
  3. Step 3: Cross multiply
    196.62x = 294.95 × 59.66
  4. Step 4: Simplify right side
    196.62x = 17,596.72
  5. Step 5: Solve for x
    x = 17,596.72/196.62
  6. Step 6: Final answer
    x = 89.50

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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.