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Finding the Fourth Proportional to 293,179.11, 404,587.94 and 159,043.11

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Solution

The fourth proportional to 293,179.11, 404,587.94 and 159,043.11 is: 219,479.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,179.11 : 404,587.94 = 159,043.11 : x
  2. Step 2: Convert to fraction form
    293,179.11/404,587.94 = 159,043.11/x
  3. Step 3: Cross multiply
    293,179.11x = 404,587.94 × 159,043.11
  4. Step 4: Simplify right side
    293,179.11x = 64,346,924,246.09
  5. Step 5: Solve for x
    x = 64,346,924,246.09/293,179.11
  6. Step 6: Final answer
    x = 219,479.91

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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.