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Finding the Fourth Proportional to 168,997.76, 253,628.73 and 74,293.37

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Solution

The fourth proportional to 168,997.76, 253,628.73 and 74,293.37 is: 111,498.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,997.76 : 253,628.73 = 74,293.37 : x
  2. Step 2: Convert to fraction form
    168,997.76/253,628.73 = 74,293.37/x
  3. Step 3: Cross multiply
    168,997.76x = 253,628.73 × 74,293.37
  4. Step 4: Simplify right side
    168,997.76x = 18,842,933,080.52
  5. Step 5: Solve for x
    x = 18,842,933,080.52/168,997.76
  6. Step 6: Final answer
    x = 111,498.12

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1.5x scale

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.