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Finding the Fourth Proportional to 68,044.62, 93,879.90 and 41,178.54

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Solution

The fourth proportional to 68,044.62, 93,879.90 and 41,178.54 is: 56,813.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,044.62 : 93,879.90 = 41,178.54 : x
  2. Step 2: Convert to fraction form
    68,044.62/93,879.90 = 41,178.54/x
  3. Step 3: Cross multiply
    68,044.62x = 93,879.90 × 41,178.54
  4. Step 4: Simplify right side
    68,044.62x = 3,865,837,217.35
  5. Step 5: Solve for x
    x = 3,865,837,217.35/68,044.62
  6. Step 6: Final answer
    x = 56,813.27

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1.5x scale

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.