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Finding the Fourth Proportional to 233.27, 349.94 and 117.77

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Solution

The fourth proportional to 233.27, 349.94 and 117.77 is: 176.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.27 : 349.94 = 117.77 : x
  2. Step 2: Convert to fraction form
    233.27/349.94 = 117.77/x
  3. Step 3: Cross multiply
    233.27x = 349.94 × 117.77
  4. Step 4: Simplify right side
    233.27x = 41,213.60
  5. Step 5: Solve for x
    x = 41,213.60/233.27
  6. Step 6: Final answer
    x = 176.68

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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.