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Finding the Fourth Proportional to 286,264.92, 395,057.92 and 158,940.52

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Solution

The fourth proportional to 286,264.92, 395,057.92 and 158,940.52 is: 219,344.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,264.92 : 395,057.92 = 158,940.52 : x
  2. Step 2: Convert to fraction form
    286,264.92/395,057.92 = 158,940.52/x
  3. Step 3: Cross multiply
    286,264.92x = 395,057.92 × 158,940.52
  4. Step 4: Simplify right side
    286,264.92x = 62,790,711,234.92
  5. Step 5: Solve for x
    x = 62,790,711,234.92/286,264.92
  6. Step 6: Final answer
    x = 219,344.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.