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Finding the Fourth Proportional to 237.06, 356.91 and 165.42

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Solution

The fourth proportional to 237.06, 356.91 and 165.42 is: 249.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.06 : 356.91 = 165.42 : x
  2. Step 2: Convert to fraction form
    237.06/356.91 = 165.42/x
  3. Step 3: Cross multiply
    237.06x = 356.91 × 165.42
  4. Step 4: Simplify right side
    237.06x = 59,040.05
  5. Step 5: Solve for x
    x = 59,040.05/237.06
  6. Step 6: Final answer
    x = 249.05

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.