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Finding the Fourth Proportional to 207,548.56, 311,366.59 and 67,296.26

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Solution

The fourth proportional to 207,548.56, 311,366.59 and 67,296.26 is: 100,958.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,548.56 : 311,366.59 = 67,296.26 : x
  2. Step 2: Convert to fraction form
    207,548.56/311,366.59 = 67,296.26/x
  3. Step 3: Cross multiply
    207,548.56x = 311,366.59 × 67,296.26
  4. Step 4: Simplify right side
    207,548.56x = 20,953,806,995.95
  5. Step 5: Solve for x
    x = 20,953,806,995.95/207,548.56
  6. Step 6: Final answer
    x = 100,958.58

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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.