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Finding the Fourth Proportional to 243.27, 364.59 and 106.13

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Solution

The fourth proportional to 243.27, 364.59 and 106.13 is: 159.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    243.27 : 364.59 = 106.13 : x
  2. Step 2: Convert to fraction form
    243.27/364.59 = 106.13/x
  3. Step 3: Cross multiply
    243.27x = 364.59 × 106.13
  4. Step 4: Simplify right side
    243.27x = 38,694.85
  5. Step 5: Solve for x
    x = 38,694.85/243.27
  6. Step 6: Final answer
    x = 159.06

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.