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Finding the Fourth Proportional to 69,857.49, 104,692.77 and 34,264.38

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Solution

The fourth proportional to 69,857.49, 104,692.77 and 34,264.38 is: 51,350.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,857.49 : 104,692.77 = 34,264.38 : x
  2. Step 2: Convert to fraction form
    69,857.49/104,692.77 = 34,264.38/x
  3. Step 3: Cross multiply
    69,857.49x = 104,692.77 × 34,264.38
  4. Step 4: Simplify right side
    69,857.49x = 3,587,232,854.53
  5. Step 5: Solve for x
    x = 3,587,232,854.53/69,857.49
  6. Step 6: Final answer
    x = 51,350.73

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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.