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Finding the Fourth Proportional to 69,493.26, 104,239.98 and 48,809.10

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Solution

The fourth proportional to 69,493.26, 104,239.98 and 48,809.10 is: 73,213.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,493.26 : 104,239.98 = 48,809.10 : x
  2. Step 2: Convert to fraction form
    69,493.26/104,239.98 = 48,809.10/x
  3. Step 3: Cross multiply
    69,493.26x = 104,239.98 × 48,809.10
  4. Step 4: Simplify right side
    69,493.26x = 5,087,859,607.82
  5. Step 5: Solve for x
    x = 5,087,859,607.82/69,493.26
  6. Step 6: Final answer
    x = 73,213.71

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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.