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Finding the Fourth Proportional to 293,991.40, 441,044.70 and 125,511.40

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Solution

The fourth proportional to 293,991.40, 441,044.70 and 125,511.40 is: 188,291.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,991.40 : 441,044.70 = 125,511.40 : x
  2. Step 2: Convert to fraction form
    293,991.40/441,044.70 = 125,511.40/x
  3. Step 3: Cross multiply
    293,991.40x = 441,044.70 × 125,511.40
  4. Step 4: Simplify right side
    293,991.40x = 55,356,137,759.58
  5. Step 5: Solve for x
    x = 55,356,137,759.58/293,991.40
  6. Step 6: Final answer
    x = 188,291.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.