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Finding the Fourth Proportional to 71,950.14, 107,940.78 and 27,576.93

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Solution

The fourth proportional to 71,950.14, 107,940.78 and 27,576.93 is: 41,371.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,950.14 : 107,940.78 = 27,576.93 : x
  2. Step 2: Convert to fraction form
    71,950.14/107,940.78 = 27,576.93/x
  3. Step 3: Cross multiply
    71,950.14x = 107,940.78 × 27,576.93
  4. Step 4: Simplify right side
    71,950.14x = 2,976,675,334.21
  5. Step 5: Solve for x
    x = 2,976,675,334.21/71,950.14
  6. Step 6: Final answer
    x = 41,371.36

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1.5x scale

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.