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Finding the Fourth Proportional to 207,479.92, 311,239.44 and 160,785.04

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Solution

The fourth proportional to 207,479.92, 311,239.44 and 160,785.04 is: 241,192.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,479.92 : 311,239.44 = 160,785.04 : x
  2. Step 2: Convert to fraction form
    207,479.92/311,239.44 = 160,785.04/x
  3. Step 3: Cross multiply
    207,479.92x = 311,239.44 × 160,785.04
  4. Step 4: Simplify right side
    207,479.92x = 50,042,645,809.98
  5. Step 5: Solve for x
    x = 50,042,645,809.98/207,479.92
  6. Step 6: Final answer
    x = 241,192.72

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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.