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Finding the Fourth Proportional to 167,997.48, 252,045.43 and 49,671.90

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Solution

The fourth proportional to 167,997.48, 252,045.43 and 49,671.90 is: 74,522.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,997.48 : 252,045.43 = 49,671.90 : x
  2. Step 2: Convert to fraction form
    167,997.48/252,045.43 = 49,671.90/x
  3. Step 3: Cross multiply
    167,997.48x = 252,045.43 × 49,671.90
  4. Step 4: Simplify right side
    167,997.48x = 12,519,574,241.85
  5. Step 5: Solve for x
    x = 12,519,574,241.85/167,997.48
  6. Step 6: Final answer
    x = 74,522.39

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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.