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Finding the Fourth Proportional to 143,174.18, 214,800.18 and 49,687.22

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Solution

The fourth proportional to 143,174.18, 214,800.18 and 49,687.22 is: 74,544.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,174.18 : 214,800.18 = 49,687.22 : x
  2. Step 2: Convert to fraction form
    143,174.18/214,800.18 = 49,687.22/x
  3. Step 3: Cross multiply
    143,174.18x = 214,800.18 × 49,687.22
  4. Step 4: Simplify right side
    143,174.18x = 10,672,823,799.70
  5. Step 5: Solve for x
    x = 10,672,823,799.70/143,174.18
  6. Step 6: Final answer
    x = 74,544.33

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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.