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Finding the Fourth Proportional to 468,924.86, 703,388.17 and 113,939.18

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Solution

The fourth proportional to 468,924.86, 703,388.17 and 113,939.18 is: 170,908.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,924.86 : 703,388.17 = 113,939.18 : x
  2. Step 2: Convert to fraction form
    468,924.86/703,388.17 = 113,939.18/x
  3. Step 3: Cross multiply
    468,924.86x = 703,388.17 × 113,939.18
  4. Step 4: Simplify right side
    468,924.86x = 80,143,471,311.50
  5. Step 5: Solve for x
    x = 80,143,471,311.50/468,924.86
  6. Step 6: Final answer
    x = 170,908.98

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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.