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Finding the Fourth Proportional to 169,379.75, 254,086.64 and 44,720.75

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Solution

The fourth proportional to 169,379.75, 254,086.64 and 44,720.75 is: 67,085.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,379.75 : 254,086.64 = 44,720.75 : x
  2. Step 2: Convert to fraction form
    169,379.75/254,086.64 = 44,720.75/x
  3. Step 3: Cross multiply
    169,379.75x = 254,086.64 × 44,720.75
  4. Step 4: Simplify right side
    169,379.75x = 11,362,945,105.78
  5. Step 5: Solve for x
    x = 11,362,945,105.78/169,379.75
  6. Step 6: Final answer
    x = 67,085.62

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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.