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Finding the Fourth Proportional to 269,756.33, 404,678.43 and 101,289.69

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Solution

The fourth proportional to 269,756.33, 404,678.43 and 101,289.69 is: 151,951.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,756.33 : 404,678.43 = 101,289.69 : x
  2. Step 2: Convert to fraction form
    269,756.33/404,678.43 = 101,289.69/x
  3. Step 3: Cross multiply
    269,756.33x = 404,678.43 × 101,289.69
  4. Step 4: Simplify right side
    269,756.33x = 40,989,752,724.39
  5. Step 5: Solve for x
    x = 40,989,752,724.39/269,756.33
  6. Step 6: Final answer
    x = 151,951.03

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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.