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Finding the Fourth Proportional to 70,388.42, 105,596.67 and 23,639.54

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Solution

The fourth proportional to 70,388.42, 105,596.67 and 23,639.54 is: 35,464.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,388.42 : 105,596.67 = 23,639.54 : x
  2. Step 2: Convert to fraction form
    70,388.42/105,596.67 = 23,639.54/x
  3. Step 3: Cross multiply
    70,388.42x = 105,596.67 × 23,639.54
  4. Step 4: Simplify right side
    70,388.42x = 2,496,256,704.33
  5. Step 5: Solve for x
    x = 2,496,256,704.33/70,388.42
  6. Step 6: Final answer
    x = 35,464.03

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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.