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Finding the Fourth Proportional to 168,795.30, 253,221.30 and 50,478.60

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Solution

The fourth proportional to 168,795.30, 253,221.30 and 50,478.60 is: 75,726.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,795.30 : 253,221.30 = 50,478.60 : x
  2. Step 2: Convert to fraction form
    168,795.30/253,221.30 = 50,478.60/x
  3. Step 3: Cross multiply
    168,795.30x = 253,221.30 × 50,478.60
  4. Step 4: Simplify right side
    168,795.30x = 12,782,256,714.18
  5. Step 5: Solve for x
    x = 12,782,256,714.18/168,795.30
  6. Step 6: Final answer
    x = 75,726.38

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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.