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Finding the Fourth Proportional to 266,120.73, 399,186.77 and 95,353.60

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Solution

The fourth proportional to 266,120.73, 399,186.77 and 95,353.60 is: 143,032.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,120.73 : 399,186.77 = 95,353.60 : x
  2. Step 2: Convert to fraction form
    266,120.73/399,186.77 = 95,353.60/x
  3. Step 3: Cross multiply
    266,120.73x = 399,186.77 × 95,353.60
  4. Step 4: Simplify right side
    266,120.73x = 38,063,895,591.87
  5. Step 5: Solve for x
    x = 38,063,895,591.87/266,120.73
  6. Step 6: Final answer
    x = 143,032.43

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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.