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Finding the Fourth Proportional to 168,581.25, 252,871.88 and 43,922.25

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Solution

The fourth proportional to 168,581.25, 252,871.88 and 43,922.25 is: 65,883.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,581.25 : 252,871.88 = 43,922.25 : x
  2. Step 2: Convert to fraction form
    168,581.25/252,871.88 = 43,922.25/x
  3. Step 3: Cross multiply
    168,581.25x = 252,871.88 × 43,922.25
  4. Step 4: Simplify right side
    168,581.25x = 11,106,701,711.72
  5. Step 5: Solve for x
    x = 11,106,701,711.72/168,581.25
  6. Step 6: Final answer
    x = 65,883.38

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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.