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Finding the Fourth Proportional to 252,817.98, 378,992.61 and 95,150.94

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Solution

The fourth proportional to 252,817.98, 378,992.61 and 95,150.94 is: 142,638.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,817.98 : 378,992.61 = 95,150.94 : x
  2. Step 2: Convert to fraction form
    252,817.98/378,992.61 = 95,150.94/x
  3. Step 3: Cross multiply
    252,817.98x = 378,992.61 × 95,150.94
  4. Step 4: Simplify right side
    252,817.98x = 36,061,503,094.55
  5. Step 5: Solve for x
    x = 36,061,503,094.55/252,817.98
  6. Step 6: Final answer
    x = 142,638.21

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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.