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Finding the Fourth Proportional to 199,453.74, 275,240.71 and 108,809.68

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Solution

The fourth proportional to 199,453.74, 275,240.71 and 108,809.68 is: 150,154.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,453.74 : 275,240.71 = 108,809.68 : x
  2. Step 2: Convert to fraction form
    199,453.74/275,240.71 = 108,809.68/x
  3. Step 3: Cross multiply
    199,453.74x = 275,240.71 × 108,809.68
  4. Step 4: Simplify right side
    199,453.74x = 29,948,853,147.42
  5. Step 5: Solve for x
    x = 29,948,853,147.42/199,453.74
  6. Step 6: Final answer
    x = 150,154.38

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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.