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Finding the Fourth Proportional to 322,673,129.40, 484,009,694.10 and 80,336,033.40

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Solution

The fourth proportional to 322,673,129.40, 484,009,694.10 and 80,336,033.40 is: 120,504,050.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,673,129.40 : 484,009,694.10 = 80,336,033.40 : x
  2. Step 2: Convert to fraction form
    322,673,129.40/484,009,694.10 = 80,336,033.40/x
  3. Step 3: Cross multiply
    322,673,129.40x = 484,009,694.10 × 80,336,033.40
  4. Step 4: Simplify right side
    322,673,129.40x = 38,883,418,951,141,384
  5. Step 5: Solve for x
    x = 38,883,418,951,141,384/322,673,129.40
  6. Step 6: Final answer
    x = 120,504,050.10

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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.