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Finding the Fourth Proportional to 295.55, 443.42 and 112.99

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Solution

The fourth proportional to 295.55, 443.42 and 112.99 is: 169.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.55 : 443.42 = 112.99 : x
  2. Step 2: Convert to fraction form
    295.55/443.42 = 112.99/x
  3. Step 3: Cross multiply
    295.55x = 443.42 × 112.99
  4. Step 4: Simplify right side
    295.55x = 50,102.44
  5. Step 5: Solve for x
    x = 50,102.44/295.55
  6. Step 6: Final answer
    x = 169.53

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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.