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Finding the Fourth Proportional to 233.88, 350.90 and 103.97

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Solution

The fourth proportional to 233.88, 350.90 and 103.97 is: 156.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.88 : 350.90 = 103.97 : x
  2. Step 2: Convert to fraction form
    233.88/350.90 = 103.97/x
  3. Step 3: Cross multiply
    233.88x = 350.90 × 103.97
  4. Step 4: Simplify right side
    233.88x = 36,484.60
  5. Step 5: Solve for x
    x = 36,484.60/233.88
  6. Step 6: Final answer
    x = 156.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.