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Finding the Fourth Proportional to 173,026.80, 259,540.20 and 106,887.60

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Solution

The fourth proportional to 173,026.80, 259,540.20 and 106,887.60 is: 160,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,026.80 : 259,540.20 = 106,887.60 : x
  2. Step 2: Convert to fraction form
    173,026.80/259,540.20 = 106,887.60/x
  3. Step 3: Cross multiply
    173,026.80x = 259,540.20 × 106,887.60
  4. Step 4: Simplify right side
    173,026.80x = 27,741,629,081.52
  5. Step 5: Solve for x
    x = 27,741,629,081.52/173,026.80
  6. Step 6: Final answer
    x = 160,331.40

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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.