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Finding the Fourth Proportional to 267.02, 368.40 and 162.08

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Solution

The fourth proportional to 267.02, 368.40 and 162.08 is: 223.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.02 : 368.40 = 162.08 : x
  2. Step 2: Convert to fraction form
    267.02/368.40 = 162.08/x
  3. Step 3: Cross multiply
    267.02x = 368.40 × 162.08
  4. Step 4: Simplify right side
    267.02x = 59,710.27
  5. Step 5: Solve for x
    x = 59,710.27/267.02
  6. Step 6: Final answer
    x = 223.62

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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.