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Finding the Fourth Proportional to 183,351.56, 275,105.76 and 76,760.42

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Solution

The fourth proportional to 183,351.56, 275,105.76 and 76,760.42 is: 115,173.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,351.56 : 275,105.76 = 76,760.42 : x
  2. Step 2: Convert to fraction form
    183,351.56/275,105.76 = 76,760.42/x
  3. Step 3: Cross multiply
    183,351.56x = 275,105.76 × 76,760.42
  4. Step 4: Simplify right side
    183,351.56x = 21,117,233,682.02
  5. Step 5: Solve for x
    x = 21,117,233,682.02/183,351.56
  6. Step 6: Final answer
    x = 115,173.46

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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.