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Finding the Fourth Proportional to 266,198.46, 367,221.30 and 158,692.74

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Solution

The fourth proportional to 266,198.46, 367,221.30 and 158,692.74 is: 218,916.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,198.46 : 367,221.30 = 158,692.74 : x
  2. Step 2: Convert to fraction form
    266,198.46/367,221.30 = 158,692.74/x
  3. Step 3: Cross multiply
    266,198.46x = 367,221.30 × 158,692.74
  4. Step 4: Simplify right side
    266,198.46x = 58,275,354,283.36
  5. Step 5: Solve for x
    x = 58,275,354,283.36/266,198.46
  6. Step 6: Final answer
    x = 218,916.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.