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Finding the Fourth Proportional to 118,057.47, 177,033.95 and 33,798.43

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Solution

The fourth proportional to 118,057.47, 177,033.95 and 33,798.43 is: 50,682.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,057.47 : 177,033.95 = 33,798.43 : x
  2. Step 2: Convert to fraction form
    118,057.47/177,033.95 = 33,798.43/x
  3. Step 3: Cross multiply
    118,057.47x = 177,033.95 × 33,798.43
  4. Step 4: Simplify right side
    118,057.47x = 5,983,469,566.70
  5. Step 5: Solve for x
    x = 5,983,469,566.70/118,057.47
  6. Step 6: Final answer
    x = 50,682.69

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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.