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Finding the Fourth Proportional to 183,725.65, 275,481.23 and 71,274.48

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Solution

The fourth proportional to 183,725.65, 275,481.23 and 71,274.48 is: 106,870.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,725.65 : 275,481.23 = 71,274.48 : x
  2. Step 2: Convert to fraction form
    183,725.65/275,481.23 = 71,274.48/x
  3. Step 3: Cross multiply
    183,725.65x = 275,481.23 × 71,274.48
  4. Step 4: Simplify right side
    183,725.65x = 19,634,780,028.58
  5. Step 5: Solve for x
    x = 19,634,780,028.58/183,725.65
  6. Step 6: Final answer
    x = 106,870.11

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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.