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Finding the Fourth Proportional to 151.37, 226.98 and 43.13

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Solution

The fourth proportional to 151.37, 226.98 and 43.13 is: 64.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    151.37 : 226.98 = 43.13 : x
  2. Step 2: Convert to fraction form
    151.37/226.98 = 43.13/x
  3. Step 3: Cross multiply
    151.37x = 226.98 × 43.13
  4. Step 4: Simplify right side
    151.37x = 9,788.30
  5. Step 5: Solve for x
    x = 9,788.30/151.37
  6. Step 6: Final answer
    x = 64.67

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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.