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Finding the Fourth Proportional to 190,250.88, 262,523.68 and 109,704.88

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Solution

The fourth proportional to 190,250.88, 262,523.68 and 109,704.88 is: 151,379.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,250.88 : 262,523.68 = 109,704.88 : x
  2. Step 2: Convert to fraction form
    190,250.88/262,523.68 = 109,704.88/x
  3. Step 3: Cross multiply
    190,250.88x = 262,523.68 × 109,704.88
  4. Step 4: Simplify right side
    190,250.88x = 28,800,128,811.56
  5. Step 5: Solve for x
    x = 28,800,128,811.56/190,250.88
  6. Step 6: Final answer
    x = 151,379.74

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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.