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Finding the Fourth Proportional to 135.95, 203.90 and 44.61

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Solution

The fourth proportional to 135.95, 203.90 and 44.61 is: 66.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    135.95 : 203.90 = 44.61 : x
  2. Step 2: Convert to fraction form
    135.95/203.90 = 44.61/x
  3. Step 3: Cross multiply
    135.95x = 203.90 × 44.61
  4. Step 4: Simplify right side
    135.95x = 9,095.76
  5. Step 5: Solve for x
    x = 9,095.76/135.95
  6. Step 6: Final answer
    x = 66.91

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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.