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Finding the Fourth Proportional to 69,504.95, 104,241.39 and 41,432.90

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Solution

The fourth proportional to 69,504.95, 104,241.39 and 41,432.90 is: 62,139.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,504.95 : 104,241.39 = 41,432.90 : x
  2. Step 2: Convert to fraction form
    69,504.95/104,241.39 = 41,432.90/x
  3. Step 3: Cross multiply
    69,504.95x = 104,241.39 × 41,432.90
  4. Step 4: Simplify right side
    69,504.95x = 4,319,023,087.73
  5. Step 5: Solve for x
    x = 4,319,023,087.73/69,504.95
  6. Step 6: Final answer
    x = 62,139.79

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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.