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Finding the Fourth Proportional to 295.97, 443.96 and 103.59

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Solution

The fourth proportional to 295.97, 443.96 and 103.59 is: 155.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.97 : 443.96 = 103.59 : x
  2. Step 2: Convert to fraction form
    295.97/443.96 = 103.59/x
  3. Step 3: Cross multiply
    295.97x = 443.96 × 103.59
  4. Step 4: Simplify right side
    295.97x = 45,989.30
  5. Step 5: Solve for x
    x = 45,989.30/295.97
  6. Step 6: Final answer
    x = 155.39

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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.