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Finding the Fourth Proportional to 293,093.64, 404,471.94 and 172,237.56

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Solution

The fourth proportional to 293,093.64, 404,471.94 and 172,237.56 is: 237,689.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,093.64 : 404,471.94 = 172,237.56 : x
  2. Step 2: Convert to fraction form
    293,093.64/404,471.94 = 172,237.56/x
  3. Step 3: Cross multiply
    293,093.64x = 404,471.94 × 172,237.56
  4. Step 4: Simplify right side
    293,093.64x = 69,665,260,034.07
  5. Step 5: Solve for x
    x = 69,665,260,034.07/293,093.64
  6. Step 6: Final answer
    x = 237,689.43

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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.