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Finding the Fourth Proportional to 293.52, 405.08 and 162.53

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Solution

The fourth proportional to 293.52, 405.08 and 162.53 is: 224.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.52 : 405.08 = 162.53 : x
  2. Step 2: Convert to fraction form
    293.52/405.08 = 162.53/x
  3. Step 3: Cross multiply
    293.52x = 405.08 × 162.53
  4. Step 4: Simplify right side
    293.52x = 65,837.63
  5. Step 5: Solve for x
    x = 65,837.63/293.52
  6. Step 6: Final answer
    x = 224.30

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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.