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Finding the Fourth Proportional to 481,841.12, 722,797.22 and 126,852.75

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Solution

The fourth proportional to 481,841.12, 722,797.22 and 126,852.75 is: 190,288.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,841.12 : 722,797.22 = 126,852.75 : x
  2. Step 2: Convert to fraction form
    481,841.12/722,797.22 = 126,852.75/x
  3. Step 3: Cross multiply
    481,841.12x = 722,797.22 × 126,852.75
  4. Step 4: Simplify right side
    481,841.12x = 91,688,815,366.49
  5. Step 5: Solve for x
    x = 91,688,815,366.49/481,841.12
  6. Step 6: Final answer
    x = 190,288.48

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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.