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Finding the Fourth Proportional to 295.70, 408.08 and 162.93

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Solution

The fourth proportional to 295.70, 408.08 and 162.93 is: 224.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.70 : 408.08 = 162.93 : x
  2. Step 2: Convert to fraction form
    295.70/408.08 = 162.93/x
  3. Step 3: Cross multiply
    295.70x = 408.08 × 162.93
  4. Step 4: Simplify right side
    295.70x = 66,488.27
  5. Step 5: Solve for x
    x = 66,488.27/295.70
  6. Step 6: Final answer
    x = 224.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.