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Finding the Fourth Proportional to 277,797.20, 416,692.76 and 67,435.13

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Solution

The fourth proportional to 277,797.20, 416,692.76 and 67,435.13 is: 101,151.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,797.20 : 416,692.76 = 67,435.13 : x
  2. Step 2: Convert to fraction form
    277,797.20/416,692.76 = 67,435.13/x
  3. Step 3: Cross multiply
    277,797.20x = 416,692.76 × 67,435.13
  4. Step 4: Simplify right side
    277,797.20x = 28,099,731,145.22
  5. Step 5: Solve for x
    x = 28,099,731,145.22/277,797.20
  6. Step 6: Final answer
    x = 101,151.96

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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.