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Finding the Fourth Proportional to 266.95, 368.39 and 162.02

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Solution

The fourth proportional to 266.95, 368.39 and 162.02 is: 223.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.95 : 368.39 = 162.02 : x
  2. Step 2: Convert to fraction form
    266.95/368.39 = 162.02/x
  3. Step 3: Cross multiply
    266.95x = 368.39 × 162.02
  4. Step 4: Simplify right side
    266.95x = 59,684.71
  5. Step 5: Solve for x
    x = 59,684.71/266.95
  6. Step 6: Final answer
    x = 223.58

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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.