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Finding the Fourth Proportional to 277,404.87, 416,107.37 and 67,042.78

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Solution

The fourth proportional to 277,404.87, 416,107.37 and 67,042.78 is: 100,564.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,404.87 : 416,107.37 = 67,042.78 : x
  2. Step 2: Convert to fraction form
    277,404.87/416,107.37 = 67,042.78/x
  3. Step 3: Cross multiply
    277,404.87x = 416,107.37 × 67,042.78
  4. Step 4: Simplify right side
    277,404.87x = 27,896,994,528.07
  5. Step 5: Solve for x
    x = 27,896,994,528.07/277,404.87
  6. Step 6: Final answer
    x = 100,564.19

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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.