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Finding the Fourth Proportional to 268.31, 370.10 and 164.63

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Solution

The fourth proportional to 268.31, 370.10 and 164.63 is: 227.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.31 : 370.10 = 164.63 : x
  2. Step 2: Convert to fraction form
    268.31/370.10 = 164.63/x
  3. Step 3: Cross multiply
    268.31x = 370.10 × 164.63
  4. Step 4: Simplify right side
    268.31x = 60,926.89
  5. Step 5: Solve for x
    x = 60,926.89/268.31
  6. Step 6: Final answer
    x = 227.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.