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Finding the Fourth Proportional to 350,713.08, 525,940.41 and 126,013.41

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Solution

The fourth proportional to 350,713.08, 525,940.41 and 126,013.41 is: 188,973.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,713.08 : 525,940.41 = 126,013.41 : x
  2. Step 2: Convert to fraction form
    350,713.08/525,940.41 = 126,013.41/x
  3. Step 3: Cross multiply
    350,713.08x = 525,940.41 × 126,013.41
  4. Step 4: Simplify right side
    350,713.08x = 66,275,544,520.90
  5. Step 5: Solve for x
    x = 66,275,544,520.90/350,713.08
  6. Step 6: Final answer
    x = 188,973.69

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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.