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Finding the Fourth Proportional to 203.83, 304.26 and 175.13

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Solution

The fourth proportional to 203.83, 304.26 and 175.13 is: 261.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.83 : 304.26 = 175.13 : x
  2. Step 2: Convert to fraction form
    203.83/304.26 = 175.13/x
  3. Step 3: Cross multiply
    203.83x = 304.26 × 175.13
  4. Step 4: Simplify right side
    203.83x = 53,283.28
  5. Step 5: Solve for x
    x = 53,283.28/203.83
  6. Step 6: Final answer
    x = 261.41

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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.