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Finding the Fourth Proportional to 71,499.84, 107,250.84 and 34,063.80

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Solution

The fourth proportional to 71,499.84, 107,250.84 and 34,063.80 is: 51,096.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,499.84 : 107,250.84 = 34,063.80 : x
  2. Step 2: Convert to fraction form
    71,499.84/107,250.84 = 34,063.80/x
  3. Step 3: Cross multiply
    71,499.84x = 107,250.84 × 34,063.80
  4. Step 4: Simplify right side
    71,499.84x = 3,653,371,163.59
  5. Step 5: Solve for x
    x = 3,653,371,163.59/71,499.84
  6. Step 6: Final answer
    x = 51,096.21

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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.