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Finding the Fourth Proportional to 199,355.84, 275,108.88 and 108,711.52

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Solution

The fourth proportional to 199,355.84, 275,108.88 and 108,711.52 is: 150,020.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,355.84 : 275,108.88 = 108,711.52 : x
  2. Step 2: Convert to fraction form
    199,355.84/275,108.88 = 108,711.52/x
  3. Step 3: Cross multiply
    199,355.84x = 275,108.88 × 108,711.52
  4. Step 4: Simplify right side
    199,355.84x = 29,907,504,510.30
  5. Step 5: Solve for x
    x = 29,907,504,510.30/199,355.84
  6. Step 6: Final answer
    x = 150,020.71

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1.5x scale

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.