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Finding the Fourth Proportional to 207,674.92, 311,507.90 and 57,911.22

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Solution

The fourth proportional to 207,674.92, 311,507.90 and 57,911.22 is: 86,865.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,674.92 : 311,507.90 = 57,911.22 : x
  2. Step 2: Convert to fraction form
    207,674.92/311,507.90 = 57,911.22/x
  3. Step 3: Cross multiply
    207,674.92x = 311,507.90 × 57,911.22
  4. Step 4: Simplify right side
    207,674.92x = 18,039,802,528.64
  5. Step 5: Solve for x
    x = 18,039,802,528.64/207,674.92
  6. Step 6: Final answer
    x = 86,865.58

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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.