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Finding the Fourth Proportional to 265,059.50, 397,716.87 and 131,951.48

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Solution

The fourth proportional to 265,059.50, 397,716.87 and 131,951.48 is: 197,990.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,059.50 : 397,716.87 = 131,951.48 : x
  2. Step 2: Convert to fraction form
    265,059.50/397,716.87 = 131,951.48/x
  3. Step 3: Cross multiply
    265,059.50x = 397,716.87 × 131,951.48
  4. Step 4: Simplify right side
    265,059.50x = 52,479,329,617.47
  5. Step 5: Solve for x
    x = 52,479,329,617.47/265,059.50
  6. Step 6: Final answer
    x = 197,990.75

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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.