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Finding the Fourth Proportional to 119,697.36, 165,181.24 and 65,249.52

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Solution

The fourth proportional to 119,697.36, 165,181.24 and 65,249.52 is: 90,043.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,697.36 : 165,181.24 = 65,249.52 : x
  2. Step 2: Convert to fraction form
    119,697.36/165,181.24 = 65,249.52/x
  3. Step 3: Cross multiply
    119,697.36x = 165,181.24 × 65,249.52
  4. Step 4: Simplify right side
    119,697.36x = 10,777,996,623.00
  5. Step 5: Solve for x
    x = 10,777,996,623.00/119,697.36
  6. Step 6: Final answer
    x = 90,043.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.