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Finding the Fourth Proportional to 295.55, 443.33 and 112.95

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Solution

The fourth proportional to 295.55, 443.33 and 112.95 is: 169.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.55 : 443.33 = 112.95 : x
  2. Step 2: Convert to fraction form
    295.55/443.33 = 112.95/x
  3. Step 3: Cross multiply
    295.55x = 443.33 × 112.95
  4. Step 4: Simplify right side
    295.55x = 50,074.12
  5. Step 5: Solve for x
    x = 50,074.12/295.55
  6. Step 6: Final answer
    x = 169.43

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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.