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Finding the Fourth Proportional to 70,692.95, 106,033.96 and 41,091.91

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Solution

The fourth proportional to 70,692.95, 106,033.96 and 41,091.91 is: 61,634.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,692.95 : 106,033.96 = 41,091.91 : x
  2. Step 2: Convert to fraction form
    70,692.95/106,033.96 = 41,091.91/x
  3. Step 3: Cross multiply
    70,692.95x = 106,033.96 × 41,091.91
  4. Step 4: Simplify right side
    70,692.95x = 4,357,137,727.54
  5. Step 5: Solve for x
    x = 4,357,137,727.54/70,692.95
  6. Step 6: Final answer
    x = 61,634.68

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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.