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Finding the Fourth Proportional to 183,917.72, 275,898.18 and 65,605.88

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Solution

The fourth proportional to 183,917.72, 275,898.18 and 65,605.88 is: 98,416.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,917.72 : 275,898.18 = 65,605.88 : x
  2. Step 2: Convert to fraction form
    183,917.72/275,898.18 = 65,605.88/x
  3. Step 3: Cross multiply
    183,917.72x = 275,898.18 × 65,605.88
  4. Step 4: Simplify right side
    183,917.72x = 18,100,542,889.30
  5. Step 5: Solve for x
    x = 18,100,542,889.30/183,917.72
  6. Step 6: Final answer
    x = 98,416.53

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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.