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Finding the Fourth Proportional to 67,194.50, 100,780.70 and 25,063.56

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Solution

The fourth proportional to 67,194.50, 100,780.70 and 25,063.56 is: 37,591.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,194.50 : 100,780.70 = 25,063.56 : x
  2. Step 2: Convert to fraction form
    67,194.50/100,780.70 = 25,063.56/x
  3. Step 3: Cross multiply
    67,194.50x = 100,780.70 × 25,063.56
  4. Step 4: Simplify right side
    67,194.50x = 2,525,922,995.97
  5. Step 5: Solve for x
    x = 2,525,922,995.97/67,194.50
  6. Step 6: Final answer
    x = 37,591.22

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1.5x scale

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.