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Finding the Fourth Proportional to 68,583.33, 102,874.26 and 52,044.93

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Solution

The fourth proportional to 68,583.33, 102,874.26 and 52,044.93 is: 78,066.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,583.33 : 102,874.26 = 52,044.93 : x
  2. Step 2: Convert to fraction form
    68,583.33/102,874.26 = 52,044.93/x
  3. Step 3: Cross multiply
    68,583.33x = 102,874.26 × 52,044.93
  4. Step 4: Simplify right side
    68,583.33x = 5,354,083,400.28
  5. Step 5: Solve for x
    x = 5,354,083,400.28/68,583.33
  6. Step 6: Final answer
    x = 78,066.83

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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.