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Finding the Fourth Proportional to 363,571.84, 545,104.68 and 161,057.98

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Solution

The fourth proportional to 363,571.84, 545,104.68 and 161,057.98 is: 241,474.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,571.84 : 545,104.68 = 161,057.98 : x
  2. Step 2: Convert to fraction form
    363,571.84/545,104.68 = 161,057.98/x
  3. Step 3: Cross multiply
    363,571.84x = 545,104.68 × 161,057.98
  4. Step 4: Simplify right side
    363,571.84x = 87,793,458,649.35
  5. Step 5: Solve for x
    x = 87,793,458,649.35/363,571.84
  6. Step 6: Final answer
    x = 241,474.86

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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.