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Finding the Fourth Proportional to 67,857.78, 93,647.43 and 44,004.90

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Solution

The fourth proportional to 67,857.78, 93,647.43 and 44,004.90 is: 60,729.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,857.78 : 93,647.43 = 44,004.90 : x
  2. Step 2: Convert to fraction form
    67,857.78/93,647.43 = 44,004.90/x
  3. Step 3: Cross multiply
    67,857.78x = 93,647.43 × 44,004.90
  4. Step 4: Simplify right side
    67,857.78x = 4,120,945,792.41
  5. Step 5: Solve for x
    x = 4,120,945,792.41/67,857.78
  6. Step 6: Final answer
    x = 60,729.16

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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.