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Finding the Fourth Proportional to 68,409.52, 94,379.16 and 41,541.88

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Solution

The fourth proportional to 68,409.52, 94,379.16 and 41,541.88 is: 57,312.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,409.52 : 94,379.16 = 41,541.88 : x
  2. Step 2: Convert to fraction form
    68,409.52/94,379.16 = 41,541.88/x
  3. Step 3: Cross multiply
    68,409.52x = 94,379.16 × 41,541.88
  4. Step 4: Simplify right side
    68,409.52x = 3,920,687,739.22
  5. Step 5: Solve for x
    x = 3,920,687,739.22/68,409.52
  6. Step 6: Final answer
    x = 57,312.02

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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.