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Finding the Fourth Proportional to 168,857.70, 253,254.15 and 50,532.90

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Solution

The fourth proportional to 168,857.70, 253,254.15 and 50,532.90 is: 75,789.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,857.70 : 253,254.15 = 50,532.90 : x
  2. Step 2: Convert to fraction form
    168,857.70/253,254.15 = 50,532.90/x
  3. Step 3: Cross multiply
    168,857.70x = 253,254.15 × 50,532.90
  4. Step 4: Simplify right side
    168,857.70x = 12,797,666,636.54
  5. Step 5: Solve for x
    x = 12,797,666,636.54/168,857.70
  6. Step 6: Final answer
    x = 75,789.65

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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.