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Finding the Fourth Proportional to 69,604.88, 104,427.97 and 40,043.93

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Solution

The fourth proportional to 69,604.88, 104,427.97 and 40,043.93 is: 60,077.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,604.88 : 104,427.97 = 40,043.93 : x
  2. Step 2: Convert to fraction form
    69,604.88/104,427.97 = 40,043.93/x
  3. Step 3: Cross multiply
    69,604.88x = 104,427.97 × 40,043.93
  4. Step 4: Simplify right side
    69,604.88x = 4,181,705,698.47
  5. Step 5: Solve for x
    x = 4,181,705,698.47/69,604.88
  6. Step 6: Final answer
    x = 60,077.77

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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.