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Finding the Fourth Proportional to 293,080.56, 404,454 and 172,224.56

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Solution

The fourth proportional to 293,080.56, 404,454 and 172,224.56 is: 237,671.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,080.56 : 404,454 = 172,224.56 : x
  2. Step 2: Convert to fraction form
    293,080.56/404,454 = 172,224.56/x
  3. Step 3: Cross multiply
    293,080.56x = 404,454 × 172,224.56
  4. Step 4: Simplify right side
    293,080.56x = 69,656,912,190.24
  5. Step 5: Solve for x
    x = 69,656,912,190.24/293,080.56
  6. Step 6: Final answer
    x = 237,671.55

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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.