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Finding the Fourth Proportional to 68,958.92, 95,203.22 and 45,127.19

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Solution

The fourth proportional to 68,958.92, 95,203.22 and 45,127.19 is: 62,301.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,958.92 : 95,203.22 = 45,127.19 : x
  2. Step 2: Convert to fraction form
    68,958.92/95,203.22 = 45,127.19/x
  3. Step 3: Cross multiply
    68,958.92x = 95,203.22 × 45,127.19
  4. Step 4: Simplify right side
    68,958.92x = 4,296,253,095.90
  5. Step 5: Solve for x
    x = 4,296,253,095.90/68,958.92
  6. Step 6: Final answer
    x = 62,301.63

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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.