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Finding the Fourth Proportional to 133.84, 184.84 and 92.50

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Solution

The fourth proportional to 133.84, 184.84 and 92.50 is: 127.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.84 : 184.84 = 92.50 : x
  2. Step 2: Convert to fraction form
    133.84/184.84 = 92.50/x
  3. Step 3: Cross multiply
    133.84x = 184.84 × 92.50
  4. Step 4: Simplify right side
    133.84x = 17,097.70
  5. Step 5: Solve for x
    x = 17,097.70/133.84
  6. Step 6: Final answer
    x = 127.75

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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.