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Finding the Fourth Proportional to 422,379.96, 633,572.03 and 106,837.17

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Solution

The fourth proportional to 422,379.96, 633,572.03 and 106,837.17 is: 160,256.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,379.96 : 633,572.03 = 106,837.17 : x
  2. Step 2: Convert to fraction form
    422,379.96/633,572.03 = 106,837.17/x
  3. Step 3: Cross multiply
    422,379.96x = 633,572.03 × 106,837.17
  4. Step 4: Simplify right side
    422,379.96x = 67,689,042,676.36
  5. Step 5: Solve for x
    x = 67,689,042,676.36/422,379.96
  6. Step 6: Final answer
    x = 160,256.28

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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.