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Finding the Fourth Proportional to 199,366.71, 275,125.25 and 108,722.45

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Solution

The fourth proportional to 199,366.71, 275,125.25 and 108,722.45 is: 150,036.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,366.71 : 275,125.25 = 108,722.45 : x
  2. Step 2: Convert to fraction form
    199,366.71/275,125.25 = 108,722.45/x
  3. Step 3: Cross multiply
    199,366.71x = 275,125.25 × 108,722.45
  4. Step 4: Simplify right side
    199,366.71x = 29,912,289,317.62
  5. Step 5: Solve for x
    x = 29,912,289,317.62/199,366.71
  6. Step 6: Final answer
    x = 150,036.53

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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.