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Finding the Fourth Proportional to 468,761.27, 703,136.78 and 113,775.29

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Solution

The fourth proportional to 468,761.27, 703,136.78 and 113,775.29 is: 170,661.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,761.27 : 703,136.78 = 113,775.29 : x
  2. Step 2: Convert to fraction form
    468,761.27/703,136.78 = 113,775.29/x
  3. Step 3: Cross multiply
    468,761.27x = 703,136.78 × 113,775.29
  4. Step 4: Simplify right side
    468,761.27x = 79,999,594,628.16
  5. Step 5: Solve for x
    x = 79,999,594,628.16/468,761.27
  6. Step 6: Final answer
    x = 170,661.70

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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.