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Finding the Fourth Proportional to 293.14, 404.56 and 162.16

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Solution

The fourth proportional to 293.14, 404.56 and 162.16 is: 223.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.14 : 404.56 = 162.16 : x
  2. Step 2: Convert to fraction form
    293.14/404.56 = 162.16/x
  3. Step 3: Cross multiply
    293.14x = 404.56 × 162.16
  4. Step 4: Simplify right side
    293.14x = 65,603.45
  5. Step 5: Solve for x
    x = 65,603.45/293.14
  6. Step 6: Final answer
    x = 223.80

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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.