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Finding the Fourth Proportional to 233.99, 350.63 and 156.69

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Solution

The fourth proportional to 233.99, 350.63 and 156.69 is: 234.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.99 : 350.63 = 156.69 : x
  2. Step 2: Convert to fraction form
    233.99/350.63 = 156.69/x
  3. Step 3: Cross multiply
    233.99x = 350.63 × 156.69
  4. Step 4: Simplify right side
    233.99x = 54,939.43
  5. Step 5: Solve for x
    x = 54,939.43/233.99
  6. Step 6: Final answer
    x = 234.80

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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.