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Finding the Fourth Proportional to 293.05, 404.41 and 160.26

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Solution

The fourth proportional to 293.05, 404.41 and 160.26 is: 221.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.05 : 404.41 = 160.26 : x
  2. Step 2: Convert to fraction form
    293.05/404.41 = 160.26/x
  3. Step 3: Cross multiply
    293.05x = 404.41 × 160.26
  4. Step 4: Simplify right side
    293.05x = 64,811.40
  5. Step 5: Solve for x
    x = 64,811.40/293.05
  6. Step 6: Final answer
    x = 221.16

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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.