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Finding the Fourth Proportional to 235,692.70, 353,468.58 and 67,201.36

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Solution

The fourth proportional to 235,692.70, 353,468.58 and 67,201.36 is: 100,781.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,692.70 : 353,468.58 = 67,201.36 : x
  2. Step 2: Convert to fraction form
    235,692.70/353,468.58 = 67,201.36/x
  3. Step 3: Cross multiply
    235,692.70x = 353,468.58 × 67,201.36
  4. Step 4: Simplify right side
    235,692.70x = 23,753,569,293.27
  5. Step 5: Solve for x
    x = 23,753,569,293.27/235,692.70
  6. Step 6: Final answer
    x = 100,781.95

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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.