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Finding the Fourth Proportional to 193.26, 290.07 and 124.98

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Solution

The fourth proportional to 193.26, 290.07 and 124.98 is: 187.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.26 : 290.07 = 124.98 : x
  2. Step 2: Convert to fraction form
    193.26/290.07 = 124.98/x
  3. Step 3: Cross multiply
    193.26x = 290.07 × 124.98
  4. Step 4: Simplify right side
    193.26x = 36,252.95
  5. Step 5: Solve for x
    x = 36,252.95/193.26
  6. Step 6: Final answer
    x = 187.59

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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.