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Finding the Fourth Proportional to 45,702.52, 68,553.65 and 16,113.22

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Solution

The fourth proportional to 45,702.52, 68,553.65 and 16,113.22 is: 24,169.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,702.52 : 68,553.65 = 16,113.22 : x
  2. Step 2: Convert to fraction form
    45,702.52/68,553.65 = 16,113.22/x
  3. Step 3: Cross multiply
    45,702.52x = 68,553.65 × 16,113.22
  4. Step 4: Simplify right side
    45,702.52x = 1,104,620,049.38
  5. Step 5: Solve for x
    x = 1,104,620,049.38/45,702.52
  6. Step 6: Final answer
    x = 24,169.78

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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.