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Finding the Fourth Proportional to 239,846.54, 359,736.98 and 71,392.86

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Solution

The fourth proportional to 239,846.54, 359,736.98 and 71,392.86 is: 107,079.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,846.54 : 359,736.98 = 71,392.86 : x
  2. Step 2: Convert to fraction form
    239,846.54/359,736.98 = 71,392.86/x
  3. Step 3: Cross multiply
    239,846.54x = 359,736.98 × 71,392.86
  4. Step 4: Simplify right side
    239,846.54x = 25,682,651,493.00
  5. Step 5: Solve for x
    x = 25,682,651,493.00/239,846.54
  6. Step 6: Final answer
    x = 107,079.52

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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.