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Finding the Fourth Proportional to 74,614.65, 111,930.18 and 24,676.56

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Solution

The fourth proportional to 74,614.65, 111,930.18 and 24,676.56 is: 37,017.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,614.65 : 111,930.18 = 24,676.56 : x
  2. Step 2: Convert to fraction form
    74,614.65/111,930.18 = 24,676.56/x
  3. Step 3: Cross multiply
    74,614.65x = 111,930.18 × 24,676.56
  4. Step 4: Simplify right side
    74,614.65x = 2,762,051,119.55
  5. Step 5: Solve for x
    x = 2,762,051,119.55/74,614.65
  6. Step 6: Final answer
    x = 37,017.54

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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.