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Finding the Fourth Proportional to 203.24, 304.88 and 73.23

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Solution

The fourth proportional to 203.24, 304.88 and 73.23 is: 109.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.24 : 304.88 = 73.23 : x
  2. Step 2: Convert to fraction form
    203.24/304.88 = 73.23/x
  3. Step 3: Cross multiply
    203.24x = 304.88 × 73.23
  4. Step 4: Simplify right side
    203.24x = 22,326.36
  5. Step 5: Solve for x
    x = 22,326.36/203.24
  6. Step 6: Final answer
    x = 109.85

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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.