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Finding the Fourth Proportional to 277,962.21, 416,940.24 and 67,600.35

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Solution

The fourth proportional to 277,962.21, 416,940.24 and 67,600.35 is: 101,399.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,962.21 : 416,940.24 = 67,600.35 : x
  2. Step 2: Convert to fraction form
    277,962.21/416,940.24 = 67,600.35/x
  3. Step 3: Cross multiply
    277,962.21x = 416,940.24 × 67,600.35
  4. Step 4: Simplify right side
    277,962.21x = 28,185,306,153.08
  5. Step 5: Solve for x
    x = 28,185,306,153.08/277,962.21
  6. Step 6: Final answer
    x = 101,399.78

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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.