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Finding the Fourth Proportional to 83,692.58, 125,545.69 and 39,295.11

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Solution

The fourth proportional to 83,692.58, 125,545.69 and 39,295.11 is: 58,945.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,692.58 : 125,545.69 = 39,295.11 : x
  2. Step 2: Convert to fraction form
    83,692.58/125,545.69 = 39,295.11/x
  3. Step 3: Cross multiply
    83,692.58x = 125,545.69 × 39,295.11
  4. Step 4: Simplify right side
    83,692.58x = 4,933,331,512.30
  5. Step 5: Solve for x
    x = 4,933,331,512.30/83,692.58
  6. Step 6: Final answer
    x = 58,945.87

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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.