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Finding the Fourth Proportional to 182,858.25, 252,363.39 and 105,336.57

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Solution

The fourth proportional to 182,858.25, 252,363.39 and 105,336.57 is: 145,375.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,858.25 : 252,363.39 = 105,336.57 : x
  2. Step 2: Convert to fraction form
    182,858.25/252,363.39 = 105,336.57/x
  3. Step 3: Cross multiply
    182,858.25x = 252,363.39 × 105,336.57
  4. Step 4: Simplify right side
    182,858.25x = 26,583,093,896.17
  5. Step 5: Solve for x
    x = 26,583,093,896.17/182,858.25
  6. Step 6: Final answer
    x = 145,375.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.