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Finding the Fourth Proportional to 233.58, 350.58 and 111.93

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Solution

The fourth proportional to 233.58, 350.58 and 111.93 is: 167.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.58 : 350.58 = 111.93 : x
  2. Step 2: Convert to fraction form
    233.58/350.58 = 111.93/x
  3. Step 3: Cross multiply
    233.58x = 350.58 × 111.93
  4. Step 4: Simplify right side
    233.58x = 39,240.87
  5. Step 5: Solve for x
    x = 39,240.87/233.58
  6. Step 6: Final answer
    x = 167.99

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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.