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Finding the Fourth Proportional to 196.48, 292.77 and 174.94

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Solution

The fourth proportional to 196.48, 292.77 and 174.94 is: 260.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.48 : 292.77 = 174.94 : x
  2. Step 2: Convert to fraction form
    196.48/292.77 = 174.94/x
  3. Step 3: Cross multiply
    196.48x = 292.77 × 174.94
  4. Step 4: Simplify right side
    196.48x = 51,217.18
  5. Step 5: Solve for x
    x = 51,217.18/196.48
  6. Step 6: Final answer
    x = 260.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.