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Finding the Fourth Proportional to 75,912.59, 104,803.10 and 50,453.48

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Solution

The fourth proportional to 75,912.59, 104,803.10 and 50,453.48 is: 69,654.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,912.59 : 104,803.10 = 50,453.48 : x
  2. Step 2: Convert to fraction form
    75,912.59/104,803.10 = 50,453.48/x
  3. Step 3: Cross multiply
    75,912.59x = 104,803.10 × 50,453.48
  4. Step 4: Simplify right side
    75,912.59x = 5,287,680,721.65
  5. Step 5: Solve for x
    x = 5,287,680,721.65/75,912.59
  6. Step 6: Final answer
    x = 69,654.86

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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.