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Finding the Fourth Proportional to 73,907.46, 110,872.13 and 27,156.69

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Solution

The fourth proportional to 73,907.46, 110,872.13 and 27,156.69 is: 40,739.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,907.46 : 110,872.13 = 27,156.69 : x
  2. Step 2: Convert to fraction form
    73,907.46/110,872.13 = 27,156.69/x
  3. Step 3: Cross multiply
    73,907.46x = 110,872.13 × 27,156.69
  4. Step 4: Simplify right side
    73,907.46x = 3,010,919,928.27
  5. Step 5: Solve for x
    x = 3,010,919,928.27/73,907.46
  6. Step 6: Final answer
    x = 40,739.05

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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.