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Finding the Fourth Proportional to 263,757.58, 363,984.96 and 142,901.87

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Solution

The fourth proportional to 263,757.58, 363,984.96 and 142,901.87 is: 197,204.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,757.58 : 363,984.96 = 142,901.87 : x
  2. Step 2: Convert to fraction form
    263,757.58/363,984.96 = 142,901.87/x
  3. Step 3: Cross multiply
    263,757.58x = 363,984.96 × 142,901.87
  4. Step 4: Simplify right side
    263,757.58x = 52,014,131,435.88
  5. Step 5: Solve for x
    x = 52,014,131,435.88/263,757.58
  6. Step 6: Final answer
    x = 197,204.31

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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.