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Finding the Fourth Proportional to 253,696.25, 350,100.83 and 140,526.29

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Solution

The fourth proportional to 253,696.25, 350,100.83 and 140,526.29 is: 193,926.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,696.25 : 350,100.83 = 140,526.29 : x
  2. Step 2: Convert to fraction form
    253,696.25/350,100.83 = 140,526.29/x
  3. Step 3: Cross multiply
    253,696.25x = 350,100.83 × 140,526.29
  4. Step 4: Simplify right side
    253,696.25x = 49,198,370,765.82
  5. Step 5: Solve for x
    x = 49,198,370,765.82/253,696.25
  6. Step 6: Final answer
    x = 193,926.28

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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.