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Finding the Fourth Proportional to 200.94, 301.26 and 114.32

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Solution

The fourth proportional to 200.94, 301.26 and 114.32 is: 171.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    200.94 : 301.26 = 114.32 : x
  2. Step 2: Convert to fraction form
    200.94/301.26 = 114.32/x
  3. Step 3: Cross multiply
    200.94x = 301.26 × 114.32
  4. Step 4: Simplify right side
    200.94x = 34,440.04
  5. Step 5: Solve for x
    x = 34,440.04/200.94
  6. Step 6: Final answer
    x = 171.39

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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.