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Finding the Fourth Proportional to 196.45, 294.74 and 59.52

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Solution

The fourth proportional to 196.45, 294.74 and 59.52 is: 89.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.45 : 294.74 = 59.52 : x
  2. Step 2: Convert to fraction form
    196.45/294.74 = 59.52/x
  3. Step 3: Cross multiply
    196.45x = 294.74 × 59.52
  4. Step 4: Simplify right side
    196.45x = 17,543.96
  5. Step 5: Solve for x
    x = 17,543.96/196.45
  6. Step 6: Final answer
    x = 89.31

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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.