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Finding the Fourth Proportional to 168,751.60, 253,131.99 and 73,933

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Solution

The fourth proportional to 168,751.60, 253,131.99 and 73,933 is: 110,901.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,751.60 : 253,131.99 = 73,933 : x
  2. Step 2: Convert to fraction form
    168,751.60/253,131.99 = 73,933/x
  3. Step 3: Cross multiply
    168,751.60x = 253,131.99 × 73,933
  4. Step 4: Simplify right side
    168,751.60x = 18,714,807,416.67
  5. Step 5: Solve for x
    x = 18,714,807,416.67/168,751.60
  6. Step 6: Final answer
    x = 110,901.51

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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.