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Finding the Fourth Proportional to 293,165.82, 404,578.62 and 172,305.36

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Solution

The fourth proportional to 293,165.82, 404,578.62 and 172,305.36 is: 237,787.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,165.82 : 404,578.62 = 172,305.36 : x
  2. Step 2: Convert to fraction form
    293,165.82/404,578.62 = 172,305.36/x
  3. Step 3: Cross multiply
    293,165.82x = 404,578.62 × 172,305.36
  4. Step 4: Simplify right side
    293,165.82x = 69,711,064,767.40
  5. Step 5: Solve for x
    x = 69,711,064,767.40/293,165.82
  6. Step 6: Final answer
    x = 237,787.15

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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.