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Finding the Fourth Proportional to 295.49, 443.10 and 112.84

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Solution

The fourth proportional to 295.49, 443.10 and 112.84 is: 169.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.49 : 443.10 = 112.84 : x
  2. Step 2: Convert to fraction form
    295.49/443.10 = 112.84/x
  3. Step 3: Cross multiply
    295.49x = 443.10 × 112.84
  4. Step 4: Simplify right side
    295.49x = 49,999.40
  5. Step 5: Solve for x
    x = 49,999.40/295.49
  6. Step 6: Final answer
    x = 169.21

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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.