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Finding the Fourth Proportional to 112,570.80, 168,834.60 and 33,687.60

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Solution

The fourth proportional to 112,570.80, 168,834.60 and 33,687.60 is: 50,524.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,570.80 : 168,834.60 = 33,687.60 : x
  2. Step 2: Convert to fraction form
    112,570.80/168,834.60 = 33,687.60/x
  3. Step 3: Cross multiply
    112,570.80x = 168,834.60 × 33,687.60
  4. Step 4: Simplify right side
    112,570.80x = 5,687,632,470.96
  5. Step 5: Solve for x
    x = 5,687,632,470.96/112,570.80
  6. Step 6: Final answer
    x = 50,524.94

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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.