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Finding the Fourth Proportional to 234,411.26, 351,616.89 and 56,917.07

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Solution

The fourth proportional to 234,411.26, 351,616.89 and 56,917.07 is: 85,375.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,411.26 : 351,616.89 = 56,917.07 : x
  2. Step 2: Convert to fraction form
    234,411.26/351,616.89 = 56,917.07/x
  3. Step 3: Cross multiply
    234,411.26x = 351,616.89 × 56,917.07
  4. Step 4: Simplify right side
    234,411.26x = 20,013,003,878.06
  5. Step 5: Solve for x
    x = 20,013,003,878.06/234,411.26
  6. Step 6: Final answer
    x = 85,375.61

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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.