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Finding the Fourth Proportional to 170.06, 255.04 and 46.65

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Solution

The fourth proportional to 170.06, 255.04 and 46.65 is: 69.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    170.06 : 255.04 = 46.65 : x
  2. Step 2: Convert to fraction form
    170.06/255.04 = 46.65/x
  3. Step 3: Cross multiply
    170.06x = 255.04 × 46.65
  4. Step 4: Simplify right side
    170.06x = 11,897.50
  5. Step 5: Solve for x
    x = 11,897.50/170.06
  6. Step 6: Final answer
    x = 69.96

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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.