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Finding the Fourth Proportional to 199,470.20, 299,205.30 and 173,226.20

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Solution

The fourth proportional to 199,470.20, 299,205.30 and 173,226.20 is: 259,839.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,470.20 : 299,205.30 = 173,226.20 : x
  2. Step 2: Convert to fraction form
    199,470.20/299,205.30 = 173,226.20/x
  3. Step 3: Cross multiply
    199,470.20x = 299,205.30 × 173,226.20
  4. Step 4: Simplify right side
    199,470.20x = 51,830,197,138.86
  5. Step 5: Solve for x
    x = 51,830,197,138.86/199,470.20
  6. Step 6: Final answer
    x = 259,839.30

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1.5x scale

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.