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Finding the Fourth Proportional to 118,059.26, 177,141.24 and 61,885.97

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Solution

The fourth proportional to 118,059.26, 177,141.24 and 61,885.97 is: 92,856.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,059.26 : 177,141.24 = 61,885.97 : x
  2. Step 2: Convert to fraction form
    118,059.26/177,141.24 = 61,885.97/x
  3. Step 3: Cross multiply
    118,059.26x = 177,141.24 × 61,885.97
  4. Step 4: Simplify right side
    118,059.26x = 10,962,556,578.70
  5. Step 5: Solve for x
    x = 10,962,556,578.70/118,059.26
  6. Step 6: Final answer
    x = 92,856.39

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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.