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Finding the Fourth Proportional to 250,790.43, 375,895.80 and 115,571.82

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Solution

The fourth proportional to 250,790.43, 375,895.80 and 115,571.82 is: 173,224.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,790.43 : 375,895.80 = 115,571.82 : x
  2. Step 2: Convert to fraction form
    250,790.43/375,895.80 = 115,571.82/x
  3. Step 3: Cross multiply
    250,790.43x = 375,895.80 × 115,571.82
  4. Step 4: Simplify right side
    250,790.43x = 43,442,961,736.36
  5. Step 5: Solve for x
    x = 43,442,961,736.36/250,790.43
  6. Step 6: Final answer
    x = 173,224.16

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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.