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Finding the Fourth Proportional to 185.06, 277.61 and 170.68

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Solution

The fourth proportional to 185.06, 277.61 and 170.68 is: 256.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.06 : 277.61 = 170.68 : x
  2. Step 2: Convert to fraction form
    185.06/277.61 = 170.68/x
  3. Step 3: Cross multiply
    185.06x = 277.61 × 170.68
  4. Step 4: Simplify right side
    185.06x = 47,382.41
  5. Step 5: Solve for x
    x = 47,382.41/185.06
  6. Step 6: Final answer
    x = 256.04

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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.