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Finding the Fourth Proportional to 124.73, 187.08 and 33.44

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Solution

The fourth proportional to 124.73, 187.08 and 33.44 is: 50.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.73 : 187.08 = 33.44 : x
  2. Step 2: Convert to fraction form
    124.73/187.08 = 33.44/x
  3. Step 3: Cross multiply
    124.73x = 187.08 × 33.44
  4. Step 4: Simplify right side
    124.73x = 6,254.89
  5. Step 5: Solve for x
    x = 6,254.89/124.73
  6. Step 6: Final answer
    x = 50.15

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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.