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Finding the Fourth Proportional to 293.52, 405.06 and 162.52

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Solution

The fourth proportional to 293.52, 405.06 and 162.52 is: 224.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.52 : 405.06 = 162.52 : x
  2. Step 2: Convert to fraction form
    293.52/405.06 = 162.52/x
  3. Step 3: Cross multiply
    293.52x = 405.06 × 162.52
  4. Step 4: Simplify right side
    293.52x = 65,830.35
  5. Step 5: Solve for x
    x = 65,830.35/293.52
  6. Step 6: Final answer
    x = 224.28

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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.