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Finding the Fourth Proportional to 207,614.70, 311,227.65 and 162,611.10

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Solution

The fourth proportional to 207,614.70, 311,227.65 and 162,611.10 is: 243,764.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,614.70 : 311,227.65 = 162,611.10 : x
  2. Step 2: Convert to fraction form
    207,614.70/311,227.65 = 162,611.10/x
  3. Step 3: Cross multiply
    207,614.70x = 311,227.65 × 162,611.10
  4. Step 4: Simplify right side
    207,614.70x = 50,609,070,516.92
  5. Step 5: Solve for x
    x = 50,609,070,516.92/207,614.70
  6. Step 6: Final answer
    x = 243,764.39

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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.