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Finding the Fourth Proportional to 68,047.30, 93,880.38 and 41,179.96

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Solution

The fourth proportional to 68,047.30, 93,880.38 and 41,179.96 is: 56,813.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,047.30 : 93,880.38 = 41,179.96 : x
  2. Step 2: Convert to fraction form
    68,047.30/93,880.38 = 41,179.96/x
  3. Step 3: Cross multiply
    68,047.30x = 93,880.38 × 41,179.96
  4. Step 4: Simplify right side
    68,047.30x = 3,865,990,293.18
  5. Step 5: Solve for x
    x = 3,865,990,293.18/68,047.30
  6. Step 6: Final answer
    x = 56,813.28

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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.