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Finding the Fourth Proportional to 277,598.90, 416,396.92 and 67,236.82

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Solution

The fourth proportional to 277,598.90, 416,396.92 and 67,236.82 is: 100,854.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,598.90 : 416,396.92 = 67,236.82 : x
  2. Step 2: Convert to fraction form
    277,598.90/416,396.92 = 67,236.82/x
  3. Step 3: Cross multiply
    277,598.90x = 416,396.92 × 67,236.82
  4. Step 4: Simplify right side
    277,598.90x = 27,997,204,758.59
  5. Step 5: Solve for x
    x = 27,997,204,758.59/277,598.90
  6. Step 6: Final answer
    x = 100,854.88

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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.