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Finding the Fourth Proportional to 83,105.92, 114,621.48 and 73,556.08

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Solution

The fourth proportional to 83,105.92, 114,621.48 and 73,556.08 is: 101,450.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,105.92 : 114,621.48 = 73,556.08 : x
  2. Step 2: Convert to fraction form
    83,105.92/114,621.48 = 73,556.08/x
  3. Step 3: Cross multiply
    83,105.92x = 114,621.48 × 73,556.08
  4. Step 4: Simplify right side
    83,105.92x = 8,431,106,752.60
  5. Step 5: Solve for x
    x = 8,431,106,752.60/83,105.92
  6. Step 6: Final answer
    x = 101,450.13

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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.