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Finding the Fourth Proportional to 69,405.88, 104,097.10 and 19,474.52

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Solution

The fourth proportional to 69,405.88, 104,097.10 and 19,474.52 is: 29,208.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,405.88 : 104,097.10 = 19,474.52 : x
  2. Step 2: Convert to fraction form
    69,405.88/104,097.10 = 19,474.52/x
  3. Step 3: Cross multiply
    69,405.88x = 104,097.10 × 19,474.52
  4. Step 4: Simplify right side
    69,405.88x = 2,027,241,055.89
  5. Step 5: Solve for x
    x = 2,027,241,055.89/69,405.88
  6. Step 6: Final answer
    x = 29,208.49

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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.