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Finding the Fourth Proportional to 68,089.86, 93,962.66 and 37,874.54

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Solution

The fourth proportional to 68,089.86, 93,962.66 and 37,874.54 is: 52,266.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,089.86 : 93,962.66 = 37,874.54 : x
  2. Step 2: Convert to fraction form
    68,089.86/93,962.66 = 37,874.54/x
  3. Step 3: Cross multiply
    68,089.86x = 93,962.66 × 37,874.54
  4. Step 4: Simplify right side
    68,089.86x = 3,558,792,524.68
  5. Step 5: Solve for x
    x = 3,558,792,524.68/68,089.86
  6. Step 6: Final answer
    x = 52,266.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.