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Finding the Fourth Proportional to 269,594.40, 404,449.01 and 80,055.31

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Solution

The fourth proportional to 269,594.40, 404,449.01 and 80,055.31 is: 120,100.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,594.40 : 404,449.01 = 80,055.31 : x
  2. Step 2: Convert to fraction form
    269,594.40/404,449.01 = 80,055.31/x
  3. Step 3: Cross multiply
    269,594.40x = 404,449.01 × 80,055.31
  4. Step 4: Simplify right side
    269,594.40x = 32,378,290,874.74
  5. Step 5: Solve for x
    x = 32,378,290,874.74/269,594.40
  6. Step 6: Final answer
    x = 120,100.01

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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.