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Finding the Fourth Proportional to 448,694.33, 673,172.70 and 133,159.43

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Solution

The fourth proportional to 448,694.33, 673,172.70 and 133,159.43 is: 199,778.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,694.33 : 673,172.70 = 133,159.43 : x
  2. Step 2: Convert to fraction form
    448,694.33/673,172.70 = 133,159.43/x
  3. Step 3: Cross multiply
    448,694.33x = 673,172.70 × 133,159.43
  4. Step 4: Simplify right side
    448,694.33x = 89,639,289,657.70
  5. Step 5: Solve for x
    x = 89,639,289,657.70/448,694.33
  6. Step 6: Final answer
    x = 199,778.08

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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.