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Finding the Fourth Proportional to 69,375.29, 104,063.54 and 16,784.82

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Solution

The fourth proportional to 69,375.29, 104,063.54 and 16,784.82 is: 25,177.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,375.29 : 104,063.54 = 16,784.82 : x
  2. Step 2: Convert to fraction form
    69,375.29/104,063.54 = 16,784.82/x
  3. Step 3: Cross multiply
    69,375.29x = 104,063.54 × 16,784.82
  4. Step 4: Simplify right side
    69,375.29x = 1,746,687,703.54
  5. Step 5: Solve for x
    x = 1,746,687,703.54/69,375.29
  6. Step 6: Final answer
    x = 25,177.38

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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.