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Finding the Fourth Proportional to 233.51, 322.23 and 133.94

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Solution

The fourth proportional to 233.51, 322.23 and 133.94 is: 184.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.51 : 322.23 = 133.94 : x
  2. Step 2: Convert to fraction form
    233.51/322.23 = 133.94/x
  3. Step 3: Cross multiply
    233.51x = 322.23 × 133.94
  4. Step 4: Simplify right side
    233.51x = 43,157.88
  5. Step 5: Solve for x
    x = 43,157.88/233.51
  6. Step 6: Final answer
    x = 184.83

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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.