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Finding the Fourth Proportional to 165,998.76, 248,998 and 60,825.96

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Solution

The fourth proportional to 165,998.76, 248,998 and 60,825.96 is: 91,238.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,998.76 : 248,998 = 60,825.96 : x
  2. Step 2: Convert to fraction form
    165,998.76/248,998 = 60,825.96/x
  3. Step 3: Cross multiply
    165,998.76x = 248,998 × 60,825.96
  4. Step 4: Simplify right side
    165,998.76x = 15,145,542,388.08
  5. Step 5: Solve for x
    x = 15,145,542,388.08/165,998.76
  6. Step 6: Final answer
    x = 91,238.89

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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.