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Finding the Fourth Proportional to 103,498.57, 155,247.85 and 33,377.88

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Solution

The fourth proportional to 103,498.57, 155,247.85 and 33,377.88 is: 50,066.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,498.57 : 155,247.85 = 33,377.88 : x
  2. Step 2: Convert to fraction form
    103,498.57/155,247.85 = 33,377.88/x
  3. Step 3: Cross multiply
    103,498.57x = 155,247.85 × 33,377.88
  4. Step 4: Simplify right side
    103,498.57x = 5,181,844,107.56
  5. Step 5: Solve for x
    x = 5,181,844,107.56/103,498.57
  6. Step 6: Final answer
    x = 50,066.82

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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.