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Finding the Fourth Proportional to 253,793.94, 380,649.60 and 95,984.88

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Solution

The fourth proportional to 253,793.94, 380,649.60 and 95,984.88 is: 143,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,793.94 : 380,649.60 = 95,984.88 : x
  2. Step 2: Convert to fraction form
    253,793.94/380,649.60 = 95,984.88/x
  3. Step 3: Cross multiply
    253,793.94x = 380,649.60 × 95,984.88
  4. Step 4: Simplify right side
    253,793.94x = 36,536,606,178.05
  5. Step 5: Solve for x
    x = 36,536,606,178.05/253,793.94
  6. Step 6: Final answer
    x = 143,961.70

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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.