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Finding the Fourth Proportional to 133.61, 184.43 and 92.23

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Solution

The fourth proportional to 133.61, 184.43 and 92.23 is: 127.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.61 : 184.43 = 92.23 : x
  2. Step 2: Convert to fraction form
    133.61/184.43 = 92.23/x
  3. Step 3: Cross multiply
    133.61x = 184.43 × 92.23
  4. Step 4: Simplify right side
    133.61x = 17,009.98
  5. Step 5: Solve for x
    x = 17,009.98/133.61
  6. Step 6: Final answer
    x = 127.31

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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.