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Finding the Fourth Proportional to 376,093.92, 564,163.92 and 119,981.28

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Solution

The fourth proportional to 376,093.92, 564,163.92 and 119,981.28 is: 179,979.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,093.92 : 564,163.92 = 119,981.28 : x
  2. Step 2: Convert to fraction form
    376,093.92/564,163.92 = 119,981.28/x
  3. Step 3: Cross multiply
    376,093.92x = 564,163.92 × 119,981.28
  4. Step 4: Simplify right side
    376,093.92x = 67,689,109,251.42
  5. Step 5: Solve for x
    x = 67,689,109,251.42/376,093.92
  6. Step 6: Final answer
    x = 179,979.27

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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.