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Finding the Fourth Proportional to 73,779.70, 101,825.13 and 45,093.46

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Solution

The fourth proportional to 73,779.70, 101,825.13 and 45,093.46 is: 62,234.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,779.70 : 101,825.13 = 45,093.46 : x
  2. Step 2: Convert to fraction form
    73,779.70/101,825.13 = 45,093.46/x
  3. Step 3: Cross multiply
    73,779.70x = 101,825.13 × 45,093.46
  4. Step 4: Simplify right side
    73,779.70x = 4,591,647,426.65
  5. Step 5: Solve for x
    x = 4,591,647,426.65/73,779.70
  6. Step 6: Final answer
    x = 62,234.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.