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Finding the Fourth Proportional to 250,720.88, 346,003.82 and 137,546.96

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Solution

The fourth proportional to 250,720.88, 346,003.82 and 137,546.96 is: 189,819.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,720.88 : 346,003.82 = 137,546.96 : x
  2. Step 2: Convert to fraction form
    250,720.88/346,003.82 = 137,546.96/x
  3. Step 3: Cross multiply
    250,720.88x = 346,003.82 × 137,546.96
  4. Step 4: Simplify right side
    250,720.88x = 47,591,773,589.39
  5. Step 5: Solve for x
    x = 47,591,773,589.39/250,720.88
  6. Step 6: Final answer
    x = 189,819.75

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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.