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Finding the Fourth Proportional to 165,489.52, 248,134.20 and 65,662.96

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Solution

The fourth proportional to 165,489.52, 248,134.20 and 65,662.96 is: 98,454.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,489.52 : 248,134.20 = 65,662.96 : x
  2. Step 2: Convert to fraction form
    165,489.52/248,134.20 = 65,662.96/x
  3. Step 3: Cross multiply
    165,489.52x = 248,134.20 × 65,662.96
  4. Step 4: Simplify right side
    165,489.52x = 16,293,226,049.23
  5. Step 5: Solve for x
    x = 16,293,226,049.23/165,489.52
  6. Step 6: Final answer
    x = 98,454.73

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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.