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Finding the Fourth Proportional to 189,753.92, 284,680.17 and 56,634.17

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Solution

The fourth proportional to 189,753.92, 284,680.17 and 56,634.17 is: 84,965.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,753.92 : 284,680.17 = 56,634.17 : x
  2. Step 2: Convert to fraction form
    189,753.92/284,680.17 = 56,634.17/x
  3. Step 3: Cross multiply
    189,753.92x = 284,680.17 × 56,634.17
  4. Step 4: Simplify right side
    189,753.92x = 16,122,625,143.41
  5. Step 5: Solve for x
    x = 16,122,625,143.41/189,753.92
  6. Step 6: Final answer
    x = 84,965.97

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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.