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Finding the Fourth Proportional to 129,841.73, 194,645.03 and 50,934.77

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Solution

The fourth proportional to 129,841.73, 194,645.03 and 50,934.77 is: 76,356.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,841.73 : 194,645.03 = 50,934.77 : x
  2. Step 2: Convert to fraction form
    129,841.73/194,645.03 = 50,934.77/x
  3. Step 3: Cross multiply
    129,841.73x = 194,645.03 × 50,934.77
  4. Step 4: Simplify right side
    129,841.73x = 9,914,198,988.80
  5. Step 5: Solve for x
    x = 9,914,198,988.80/129,841.73
  6. Step 6: Final answer
    x = 76,356.03

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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.