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Finding the Fourth Proportional to 233.98, 350.71 and 104.09

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Solution

The fourth proportional to 233.98, 350.71 and 104.09 is: 156.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.98 : 350.71 = 104.09 : x
  2. Step 2: Convert to fraction form
    233.98/350.71 = 104.09/x
  3. Step 3: Cross multiply
    233.98x = 350.71 × 104.09
  4. Step 4: Simplify right side
    233.98x = 36,503.39
  5. Step 5: Solve for x
    x = 36,503.39/233.98
  6. Step 6: Final answer
    x = 156.01

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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.