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Finding the Fourth Proportional to 67,364.87, 101,049.12 and 16,761.86

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Solution

The fourth proportional to 67,364.87, 101,049.12 and 16,761.86 is: 25,143.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,364.87 : 101,049.12 = 16,761.86 : x
  2. Step 2: Convert to fraction form
    67,364.87/101,049.12 = 16,761.86/x
  3. Step 3: Cross multiply
    67,364.87x = 101,049.12 × 16,761.86
  4. Step 4: Simplify right side
    67,364.87x = 1,693,771,360.45
  5. Step 5: Solve for x
    x = 1,693,771,360.45/67,364.87
  6. Step 6: Final answer
    x = 25,143.25

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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.