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Finding the Fourth Proportional to 133.73, 184.58 and 75.52

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Solution

The fourth proportional to 133.73, 184.58 and 75.52 is: 104.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.73 : 184.58 = 75.52 : x
  2. Step 2: Convert to fraction form
    133.73/184.58 = 75.52/x
  3. Step 3: Cross multiply
    133.73x = 184.58 × 75.52
  4. Step 4: Simplify right side
    133.73x = 13,938.58
  5. Step 5: Solve for x
    x = 13,938.58/133.73
  6. Step 6: Final answer
    x = 104.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.