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Finding the Fourth Proportional to 168,293.70, 252,100.35 and 104,919.30

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Solution

The fourth proportional to 168,293.70, 252,100.35 and 104,919.30 is: 157,166.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,293.70 : 252,100.35 = 104,919.30 : x
  2. Step 2: Convert to fraction form
    168,293.70/252,100.35 = 104,919.30/x
  3. Step 3: Cross multiply
    168,293.70x = 252,100.35 × 104,919.30
  4. Step 4: Simplify right side
    168,293.70x = 26,450,192,251.76
  5. Step 5: Solve for x
    x = 26,450,192,251.76/168,293.70
  6. Step 6: Final answer
    x = 157,166.86

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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.