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Finding the Fourth Proportional to 69,900.98, 104,837.69 and 27,206.48

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Solution

The fourth proportional to 69,900.98, 104,837.69 and 27,206.48 is: 40,804.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,900.98 : 104,837.69 = 27,206.48 : x
  2. Step 2: Convert to fraction form
    69,900.98/104,837.69 = 27,206.48/x
  3. Step 3: Cross multiply
    69,900.98x = 104,837.69 × 27,206.48
  4. Step 4: Simplify right side
    69,900.98x = 2,852,264,846.34
  5. Step 5: Solve for x
    x = 2,852,264,846.34/69,900.98
  6. Step 6: Final answer
    x = 40,804.36

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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.