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Finding the Fourth Proportional to 196.64, 295.50 and 100.52

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Solution

The fourth proportional to 196.64, 295.50 and 100.52 is: 151.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.64 : 295.50 = 100.52 : x
  2. Step 2: Convert to fraction form
    196.64/295.50 = 100.52/x
  3. Step 3: Cross multiply
    196.64x = 295.50 × 100.52
  4. Step 4: Simplify right side
    196.64x = 29,703.66
  5. Step 5: Solve for x
    x = 29,703.66/196.64
  6. Step 6: Final answer
    x = 151.06

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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.