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Finding the Fourth Proportional to 136,104.97, 204,198.90 and 69,591.82

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Solution

The fourth proportional to 136,104.97, 204,198.90 and 69,591.82 is: 104,408.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,104.97 : 204,198.90 = 69,591.82 : x
  2. Step 2: Convert to fraction form
    136,104.97/204,198.90 = 69,591.82/x
  3. Step 3: Cross multiply
    136,104.97x = 204,198.90 × 69,591.82
  4. Step 4: Simplify right side
    136,104.97x = 14,210,573,093.00
  5. Step 5: Solve for x
    x = 14,210,573,093.00/136,104.97
  6. Step 6: Final answer
    x = 104,408.92

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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.