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Finding the Fourth Proportional to 208.41, 310.91 and 184.37

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Solution

The fourth proportional to 208.41, 310.91 and 184.37 is: 275.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    208.41 : 310.91 = 184.37 : x
  2. Step 2: Convert to fraction form
    208.41/310.91 = 184.37/x
  3. Step 3: Cross multiply
    208.41x = 310.91 × 184.37
  4. Step 4: Simplify right side
    208.41x = 57,320.00
  5. Step 5: Solve for x
    x = 57,320.00/208.41
  6. Step 6: Final answer
    x = 275.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.