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Finding the Fourth Proportional to 183,575.18, 275,358.72 and 75,481.76

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Solution

The fourth proportional to 183,575.18, 275,358.72 and 75,481.76 is: 113,220.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,575.18 : 275,358.72 = 75,481.76 : x
  2. Step 2: Convert to fraction form
    183,575.18/275,358.72 = 75,481.76/x
  3. Step 3: Cross multiply
    183,575.18x = 275,358.72 × 75,481.76
  4. Step 4: Simplify right side
    183,575.18x = 20,784,560,816.95
  5. Step 5: Solve for x
    x = 20,784,560,816.95/183,575.18
  6. Step 6: Final answer
    x = 113,220.97

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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.