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Finding the Fourth Proportional to 199,463.65, 275,286.54 and 126,873.61

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Solution

The fourth proportional to 199,463.65, 275,286.54 and 126,873.61 is: 175,102.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,463.65 : 275,286.54 = 126,873.61 : x
  2. Step 2: Convert to fraction form
    199,463.65/275,286.54 = 126,873.61/x
  3. Step 3: Cross multiply
    199,463.65x = 275,286.54 × 126,873.61
  4. Step 4: Simplify right side
    199,463.65x = 34,926,597,114.21
  5. Step 5: Solve for x
    x = 34,926,597,114.21/199,463.65
  6. Step 6: Final answer
    x = 175,102.57

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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.