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Finding the Fourth Proportional to 468,936.54, 703,402.99 and 113,951.61

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Solution

The fourth proportional to 468,936.54, 703,402.99 and 113,951.61 is: 170,926.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,936.54 : 703,402.99 = 113,951.61 : x
  2. Step 2: Convert to fraction form
    468,936.54/703,402.99 = 113,951.61/x
  3. Step 3: Cross multiply
    468,936.54x = 703,402.99 × 113,951.61
  4. Step 4: Simplify right side
    468,936.54x = 80,153,902,904.43
  5. Step 5: Solve for x
    x = 80,153,902,904.43/468,936.54
  6. Step 6: Final answer
    x = 170,926.97

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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.