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Finding the Fourth Proportional to 183,882.78, 275,879.52 and 65,538.72

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Solution

The fourth proportional to 183,882.78, 275,879.52 and 65,538.72 is: 98,327.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,882.78 : 275,879.52 = 65,538.72 : x
  2. Step 2: Convert to fraction form
    183,882.78/275,879.52 = 65,538.72/x
  3. Step 3: Cross multiply
    183,882.78x = 275,879.52 × 65,538.72
  4. Step 4: Simplify right side
    183,882.78x = 18,080,790,615.01
  5. Step 5: Solve for x
    x = 18,080,790,615.01/183,882.78
  6. Step 6: Final answer
    x = 98,327.81

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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.