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Finding the Fourth Proportional to 133.83, 184.61 and 92.36

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Solution

The fourth proportional to 133.83, 184.61 and 92.36 is: 127.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.83 : 184.61 = 92.36 : x
  2. Step 2: Convert to fraction form
    133.83/184.61 = 92.36/x
  3. Step 3: Cross multiply
    133.83x = 184.61 × 92.36
  4. Step 4: Simplify right side
    133.83x = 17,050.58
  5. Step 5: Solve for x
    x = 17,050.58/133.83
  6. Step 6: Final answer
    x = 127.40

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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.