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Finding the Fourth Proportional to 92,491.44, 138,751.56 and 30,147.44

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Solution

The fourth proportional to 92,491.44, 138,751.56 and 30,147.44 is: 45,225.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,491.44 : 138,751.56 = 30,147.44 : x
  2. Step 2: Convert to fraction form
    92,491.44/138,751.56 = 30,147.44/x
  3. Step 3: Cross multiply
    92,491.44x = 138,751.56 × 30,147.44
  4. Step 4: Simplify right side
    92,491.44x = 4,183,004,330.01
  5. Step 5: Solve for x
    x = 4,183,004,330.01/92,491.44
  6. Step 6: Final answer
    x = 45,225.85

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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.