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Finding the Fourth Proportional to 170.58, 255.94 and 62.44

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Solution

The fourth proportional to 170.58, 255.94 and 62.44 is: 93.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    170.58 : 255.94 = 62.44 : x
  2. Step 2: Convert to fraction form
    170.58/255.94 = 62.44/x
  3. Step 3: Cross multiply
    170.58x = 255.94 × 62.44
  4. Step 4: Simplify right side
    170.58x = 15,980.89
  5. Step 5: Solve for x
    x = 15,980.89/170.58
  6. Step 6: Final answer
    x = 93.69

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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.