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Finding the Fourth Proportional to 225,046.71, 337,736.21 and 106,718.45

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Solution

The fourth proportional to 225,046.71, 337,736.21 and 106,718.45 is: 160,156.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,046.71 : 337,736.21 = 106,718.45 : x
  2. Step 2: Convert to fraction form
    225,046.71/337,736.21 = 106,718.45/x
  3. Step 3: Cross multiply
    225,046.71x = 337,736.21 × 106,718.45
  4. Step 4: Simplify right side
    225,046.71x = 36,042,682,617.80
  5. Step 5: Solve for x
    x = 36,042,682,617.80/225,046.71
  6. Step 6: Final answer
    x = 160,156.45

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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.