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Finding the Fourth Proportional to 175.34, 262.77 and 83.94

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Solution

The fourth proportional to 175.34, 262.77 and 83.94 is: 125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.34 : 262.77 = 83.94 : x
  2. Step 2: Convert to fraction form
    175.34/262.77 = 83.94/x
  3. Step 3: Cross multiply
    175.34x = 262.77 × 83.94
  4. Step 4: Simplify right side
    175.34x = 22,056.91
  5. Step 5: Solve for x
    x = 22,056.91/175.34
  6. Step 6: Final answer
    x = 125.80

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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.