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Finding the Fourth Proportional to 293,165.76, 404,578.68 and 172,305.32

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Solution

The fourth proportional to 293,165.76, 404,578.68 and 172,305.32 is: 237,787.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,165.76 : 404,578.68 = 172,305.32 : x
  2. Step 2: Convert to fraction form
    293,165.76/404,578.68 = 172,305.32/x
  3. Step 3: Cross multiply
    293,165.76x = 404,578.68 × 172,305.32
  4. Step 4: Simplify right side
    293,165.76x = 69,711,058,922.58
  5. Step 5: Solve for x
    x = 69,711,058,922.58/293,165.76
  6. Step 6: Final answer
    x = 237,787.18

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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.