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Finding the Fourth Proportional to 68,180.92, 94,118.70 and 45,837.88

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Solution

The fourth proportional to 68,180.92, 94,118.70 and 45,837.88 is: 63,275.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,180.92 : 94,118.70 = 45,837.88 : x
  2. Step 2: Convert to fraction form
    68,180.92/94,118.70 = 45,837.88/x
  3. Step 3: Cross multiply
    68,180.92x = 94,118.70 × 45,837.88
  4. Step 4: Simplify right side
    68,180.92x = 4,314,201,676.36
  5. Step 5: Solve for x
    x = 4,314,201,676.36/68,180.92
  6. Step 6: Final answer
    x = 63,275.79

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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.