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Finding the Fourth Proportional to 351,269.91, 526,906.22 and 85,029.98

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Solution

The fourth proportional to 351,269.91, 526,906.22 and 85,029.98 is: 127,545.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,269.91 : 526,906.22 = 85,029.98 : x
  2. Step 2: Convert to fraction form
    351,269.91/526,906.22 = 85,029.98/x
  3. Step 3: Cross multiply
    351,269.91x = 526,906.22 × 85,029.98
  4. Step 4: Simplify right side
    351,269.91x = 44,802,822,288.79
  5. Step 5: Solve for x
    x = 44,802,822,288.79/351,269.91
  6. Step 6: Final answer
    x = 127,545.29

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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.