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Finding the Fourth Proportional to 207,507.06, 311,304.33 and 67,254.75

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Solution

The fourth proportional to 207,507.06, 311,304.33 and 67,254.75 is: 100,896.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,507.06 : 311,304.33 = 67,254.75 : x
  2. Step 2: Convert to fraction form
    207,507.06/311,304.33 = 67,254.75/x
  3. Step 3: Cross multiply
    207,507.06x = 311,304.33 × 67,254.75
  4. Step 4: Simplify right side
    207,507.06x = 20,936,694,888.07
  5. Step 5: Solve for x
    x = 20,936,694,888.07/207,507.06
  6. Step 6: Final answer
    x = 100,896.30

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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.