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Finding the Fourth Proportional to 267.47, 368.96 and 162.62

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Solution

The fourth proportional to 267.47, 368.96 and 162.62 is: 224.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.47 : 368.96 = 162.62 : x
  2. Step 2: Convert to fraction form
    267.47/368.96 = 162.62/x
  3. Step 3: Cross multiply
    267.47x = 368.96 × 162.62
  4. Step 4: Simplify right side
    267.47x = 59,998.60
  5. Step 5: Solve for x
    x = 59,998.60/267.47
  6. Step 6: Final answer
    x = 224.32

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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.