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Finding the Fourth Proportional to 106,399.96, 159,539.46 and 44,036.44

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Solution

The fourth proportional to 106,399.96, 159,539.46 and 44,036.44 is: 66,029.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,399.96 : 159,539.46 = 44,036.44 : x
  2. Step 2: Convert to fraction form
    106,399.96/159,539.46 = 44,036.44/x
  3. Step 3: Cross multiply
    106,399.96x = 159,539.46 × 44,036.44
  4. Step 4: Simplify right side
    106,399.96x = 7,025,549,857.92
  5. Step 5: Solve for x
    x = 7,025,549,857.92/106,399.96
  6. Step 6: Final answer
    x = 66,029.63

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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.