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Finding the Fourth Proportional to 267.17, 368.69 and 169.00

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Solution

The fourth proportional to 267.17, 368.69 and 169.00 is: 233.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.17 : 368.69 = 169.00 : x
  2. Step 2: Convert to fraction form
    267.17/368.69 = 169.00/x
  3. Step 3: Cross multiply
    267.17x = 368.69 × 169.00
  4. Step 4: Simplify right side
    267.17x = 62,308.23
  5. Step 5: Solve for x
    x = 62,308.23/267.17
  6. Step 6: Final answer
    x = 233.22

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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.