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Finding the Fourth Proportional to 83,605.95, 125,466 and 33,689.94

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Solution

The fourth proportional to 83,605.95, 125,466 and 33,689.94 is: 50,557.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,605.95 : 125,466 = 33,689.94 : x
  2. Step 2: Convert to fraction form
    83,605.95/125,466 = 33,689.94/x
  3. Step 3: Cross multiply
    83,605.95x = 125,466 × 33,689.94
  4. Step 4: Simplify right side
    83,605.95x = 4,226,942,012.04
  5. Step 5: Solve for x
    x = 4,226,942,012.04/83,605.95
  6. Step 6: Final answer
    x = 50,557.91

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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.