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Finding the Fourth Proportional to 175.99, 263.94 and 83.38

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Solution

The fourth proportional to 175.99, 263.94 and 83.38 is: 125.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.99 : 263.94 = 83.38 : x
  2. Step 2: Convert to fraction form
    175.99/263.94 = 83.38/x
  3. Step 3: Cross multiply
    175.99x = 263.94 × 83.38
  4. Step 4: Simplify right side
    175.99x = 22,006.74
  5. Step 5: Solve for x
    x = 22,006.74/175.99
  6. Step 6: Final answer
    x = 125.05

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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.