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Finding the Fourth Proportional to 173,206.20, 259,809.30 and 133,840.20

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Solution

The fourth proportional to 173,206.20, 259,809.30 and 133,840.20 is: 200,760.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,206.20 : 259,809.30 = 133,840.20 : x
  2. Step 2: Convert to fraction form
    173,206.20/259,809.30 = 133,840.20/x
  3. Step 3: Cross multiply
    173,206.20x = 259,809.30 × 133,840.20
  4. Step 4: Simplify right side
    173,206.20x = 34,772,928,673.86
  5. Step 5: Solve for x
    x = 34,772,928,673.86/173,206.20
  6. Step 6: Final answer
    x = 200,760.30

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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.