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Finding the Fourth Proportional to 133.59, 184.44 and 98.62

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Solution

The fourth proportional to 133.59, 184.44 and 98.62 is: 136.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.59 : 184.44 = 98.62 : x
  2. Step 2: Convert to fraction form
    133.59/184.44 = 98.62/x
  3. Step 3: Cross multiply
    133.59x = 184.44 × 98.62
  4. Step 4: Simplify right side
    133.59x = 18,189.47
  5. Step 5: Solve for x
    x = 18,189.47/133.59
  6. Step 6: Final answer
    x = 136.16

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