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Finding the Fourth Proportional to 226,596.61, 339,825.45 and 74,765.67

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Solution

The fourth proportional to 226,596.61, 339,825.45 and 74,765.67 is: 112,125.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,596.61 : 339,825.45 = 74,765.67 : x
  2. Step 2: Convert to fraction form
    226,596.61/339,825.45 = 74,765.67/x
  3. Step 3: Cross multiply
    226,596.61x = 339,825.45 × 74,765.67
  4. Step 4: Simplify right side
    226,596.61x = 25,407,277,452.30
  5. Step 5: Solve for x
    x = 25,407,277,452.30/226,596.61
  6. Step 6: Final answer
    x = 112,125.58

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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.