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Finding the Fourth Proportional to 173,107.20, 259,660.80 and 164,553.60

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Solution

The fourth proportional to 173,107.20, 259,660.80 and 164,553.60 is: 246,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,107.20 : 259,660.80 = 164,553.60 : x
  2. Step 2: Convert to fraction form
    173,107.20/259,660.80 = 164,553.60/x
  3. Step 3: Cross multiply
    173,107.20x = 259,660.80 × 164,553.60
  4. Step 4: Simplify right side
    173,107.20x = 42,728,119,418.88
  5. Step 5: Solve for x
    x = 42,728,119,418.88/173,107.20
  6. Step 6: Final answer
    x = 246,830.40

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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.