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Finding the Fourth Proportional to 69,463.25, 104,194.88 and 16,872.38

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Solution

The fourth proportional to 69,463.25, 104,194.88 and 16,872.38 is: 25,308.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,463.25 : 104,194.88 = 16,872.38 : x
  2. Step 2: Convert to fraction form
    69,463.25/104,194.88 = 16,872.38/x
  3. Step 3: Cross multiply
    69,463.25x = 104,194.88 × 16,872.38
  4. Step 4: Simplify right side
    69,463.25x = 1,758,015,848.81
  5. Step 5: Solve for x
    x = 1,758,015,848.81/69,463.25
  6. Step 6: Final answer
    x = 25,308.57

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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.