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Finding the Fourth Proportional to 70,238.92, 105,346.62 and 23,491.64

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Solution

The fourth proportional to 70,238.92, 105,346.62 and 23,491.64 is: 35,233.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,238.92 : 105,346.62 = 23,491.64 : x
  2. Step 2: Convert to fraction form
    70,238.92/105,346.62 = 23,491.64/x
  3. Step 3: Cross multiply
    70,238.92x = 105,346.62 × 23,491.64
  4. Step 4: Simplify right side
    70,238.92x = 2,474,764,872.26
  5. Step 5: Solve for x
    x = 2,474,764,872.26/70,238.92
  6. Step 6: Final answer
    x = 35,233.53

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Why These Related Problems?

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