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Finding the Fourth Proportional to 70,247.28, 105,349 and 23,489.24

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Solution

The fourth proportional to 70,247.28, 105,349 and 23,489.24 is: 35,226.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,247.28 : 105,349 = 23,489.24 : x
  2. Step 2: Convert to fraction form
    70,247.28/105,349 = 23,489.24/x
  3. Step 3: Cross multiply
    70,247.28x = 105,349 × 23,489.24
  4. Step 4: Simplify right side
    70,247.28x = 2,474,567,944.76
  5. Step 5: Solve for x
    x = 2,474,567,944.76/70,247.28
  6. Step 6: Final answer
    x = 35,226.53

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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.