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Finding the Fourth Proportional to 269,698.68, 404,628.21 and 119,918.34

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Solution

The fourth proportional to 269,698.68, 404,628.21 and 119,918.34 is: 179,913.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,698.68 : 404,628.21 = 119,918.34 : x
  2. Step 2: Convert to fraction form
    269,698.68/404,628.21 = 119,918.34/x
  3. Step 3: Cross multiply
    269,698.68x = 404,628.21 × 119,918.34
  4. Step 4: Simplify right side
    269,698.68x = 48,522,343,260.37
  5. Step 5: Solve for x
    x = 48,522,343,260.37/269,698.68
  6. Step 6: Final answer
    x = 179,913.17

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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.