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Finding the Fourth Proportional to 265,044.87, 397,695.02 and 131,936.85

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Solution

The fourth proportional to 265,044.87, 397,695.02 and 131,936.85 is: 197,968.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,044.87 : 397,695.02 = 131,936.85 : x
  2. Step 2: Convert to fraction form
    265,044.87/397,695.02 = 131,936.85/x
  3. Step 3: Cross multiply
    265,044.87x = 397,695.02 × 131,936.85
  4. Step 4: Simplify right side
    265,044.87x = 52,470,627,539.80
  5. Step 5: Solve for x
    x = 52,470,627,539.80/265,044.87
  6. Step 6: Final answer
    x = 197,968.85

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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.