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Finding the Fourth Proportional to 133.52, 184.32 and 92.14

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Solution

The fourth proportional to 133.52, 184.32 and 92.14 is: 127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.52 : 184.32 = 92.14 : x
  2. Step 2: Convert to fraction form
    133.52/184.32 = 92.14/x
  3. Step 3: Cross multiply
    133.52x = 184.32 × 92.14
  4. Step 4: Simplify right side
    133.52x = 16,983.24
  5. Step 5: Solve for x
    x = 16,983.24/133.52
  6. Step 6: Final answer
    x = 127.20

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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.