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Finding the Fourth Proportional to 106,563.60, 159,634.80 and 54,010.80

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Solution

The fourth proportional to 106,563.60, 159,634.80 and 54,010.80 is: 80,909.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,563.60 : 159,634.80 = 54,010.80 : x
  2. Step 2: Convert to fraction form
    106,563.60/159,634.80 = 54,010.80/x
  3. Step 3: Cross multiply
    106,563.60x = 159,634.80 × 54,010.80
  4. Step 4: Simplify right side
    106,563.60x = 8,622,003,255.84
  5. Step 5: Solve for x
    x = 8,622,003,255.84/106,563.60
  6. Step 6: Final answer
    x = 80,909.46

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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.