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Finding the Fourth Proportional to 192,596.94, 265,857.66 and 172,418.22

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Solution

The fourth proportional to 192,596.94, 265,857.66 and 172,418.22 is: 238,003.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,596.94 : 265,857.66 = 172,418.22 : x
  2. Step 2: Convert to fraction form
    192,596.94/265,857.66 = 172,418.22/x
  3. Step 3: Cross multiply
    192,596.94x = 265,857.66 × 172,418.22
  4. Step 4: Simplify right side
    192,596.94x = 45,838,704,510.57
  5. Step 5: Solve for x
    x = 45,838,704,510.57/192,596.94
  6. Step 6: Final answer
    x = 238,003.29

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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.