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Finding the Fourth Proportional to 233.94, 350.69 and 125.40

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Solution

The fourth proportional to 233.94, 350.69 and 125.40 is: 187.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.94 : 350.69 = 125.40 : x
  2. Step 2: Convert to fraction form
    233.94/350.69 = 125.40/x
  3. Step 3: Cross multiply
    233.94x = 350.69 × 125.40
  4. Step 4: Simplify right side
    233.94x = 43,976.53
  5. Step 5: Solve for x
    x = 43,976.53/233.94
  6. Step 6: Final answer
    x = 187.98

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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.