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Finding the Fourth Proportional to 68,040, 93,834.72 and 44,143.92

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Solution

The fourth proportional to 68,040, 93,834.72 and 44,143.92 is: 60,879.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,040 : 93,834.72 = 44,143.92 : x
  2. Step 2: Convert to fraction form
    68,040/93,834.72 = 44,143.92/x
  3. Step 3: Cross multiply
    68,040x = 93,834.72 × 44,143.92
  4. Step 4: Simplify right side
    68,040x = 4,142,232,372.90
  5. Step 5: Solve for x
    x = 4,142,232,372.90/68,040
  6. Step 6: Final answer
    x = 60,879.37

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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.