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Finding the Fourth Proportional to 250,790.58, 376,207.74 and 82,260.36

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Solution

The fourth proportional to 250,790.58, 376,207.74 and 82,260.36 is: 123,397.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,790.58 : 376,207.74 = 82,260.36 : x
  2. Step 2: Convert to fraction form
    250,790.58/376,207.74 = 82,260.36/x
  3. Step 3: Cross multiply
    250,790.58x = 376,207.74 × 82,260.36
  4. Step 4: Simplify right side
    250,790.58x = 30,946,984,127.19
  5. Step 5: Solve for x
    x = 30,946,984,127.19/250,790.58
  6. Step 6: Final answer
    x = 123,397.71

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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.