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Finding the Fourth Proportional to 233.09, 321.48 and 150.06

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Solution

The fourth proportional to 233.09, 321.48 and 150.06 is: 206.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.09 : 321.48 = 150.06 : x
  2. Step 2: Convert to fraction form
    233.09/321.48 = 150.06/x
  3. Step 3: Cross multiply
    233.09x = 321.48 × 150.06
  4. Step 4: Simplify right side
    233.09x = 48,241.29
  5. Step 5: Solve for x
    x = 48,241.29/233.09
  6. Step 6: Final answer
    x = 206.97

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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.