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Finding the Fourth Proportional to 192,640.56, 265,872.18 and 110,953.11

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Solution

The fourth proportional to 192,640.56, 265,872.18 and 110,953.11 is: 153,131.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,640.56 : 265,872.18 = 110,953.11 : x
  2. Step 2: Convert to fraction form
    192,640.56/265,872.18 = 110,953.11/x
  3. Step 3: Cross multiply
    192,640.56x = 265,872.18 × 110,953.11
  4. Step 4: Simplify right side
    192,640.56x = 29,499,345,315.92
  5. Step 5: Solve for x
    x = 29,499,345,315.92/192,640.56
  6. Step 6: Final answer
    x = 153,131.54

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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.