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Finding the Fourth Proportional to 441,301.96, 661,974.81 and 125,805.34

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Solution

The fourth proportional to 441,301.96, 661,974.81 and 125,805.34 is: 188,714.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,301.96 : 661,974.81 = 125,805.34 : x
  2. Step 2: Convert to fraction form
    441,301.96/661,974.81 = 125,805.34/x
  3. Step 3: Cross multiply
    441,301.96x = 661,974.81 × 125,805.34
  4. Step 4: Simplify right side
    441,301.96x = 83,279,966,043.49
  5. Step 5: Solve for x
    x = 83,279,966,043.49/441,301.96
  6. Step 6: Final answer
    x = 188,714.24

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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.