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Finding the Fourth Proportional to 250,696.80, 376,004.88 and 73,162.20

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Solution

The fourth proportional to 250,696.80, 376,004.88 and 73,162.20 is: 109,731.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,696.80 : 376,004.88 = 73,162.20 : x
  2. Step 2: Convert to fraction form
    250,696.80/376,004.88 = 73,162.20/x
  3. Step 3: Cross multiply
    250,696.80x = 376,004.88 × 73,162.20
  4. Step 4: Simplify right side
    250,696.80x = 27,509,344,231.54
  5. Step 5: Solve for x
    x = 27,509,344,231.54/250,696.80
  6. Step 6: Final answer
    x = 109,731.53

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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.