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Finding the Fourth Proportional to 213,906.60, 295,754.67 and 187,334.55

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Solution

The fourth proportional to 213,906.60, 295,754.67 and 187,334.55 is: 259,015.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,906.60 : 295,754.67 = 187,334.55 : x
  2. Step 2: Convert to fraction form
    213,906.60/295,754.67 = 187,334.55/x
  3. Step 3: Cross multiply
    213,906.60x = 295,754.67 × 187,334.55
  4. Step 4: Simplify right side
    213,906.60x = 55,405,068,014.85
  5. Step 5: Solve for x
    x = 55,405,068,014.85/213,906.60
  6. Step 6: Final answer
    x = 259,015.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.