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Finding the Fourth Proportional to 69,597.16, 104,375.90 and 19,673.96

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Solution

The fourth proportional to 69,597.16, 104,375.90 and 19,673.96 is: 29,505.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,597.16 : 104,375.90 = 19,673.96 : x
  2. Step 2: Convert to fraction form
    69,597.16/104,375.90 = 19,673.96/x
  3. Step 3: Cross multiply
    69,597.16x = 104,375.90 × 19,673.96
  4. Step 4: Simplify right side
    69,597.16x = 2,053,487,281.56
  5. Step 5: Solve for x
    x = 2,053,487,281.56/69,597.16
  6. Step 6: Final answer
    x = 29,505.33

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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.