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Finding the Fourth Proportional to 192,629, 265,828.02 and 125,561

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Solution

The fourth proportional to 192,629, 265,828.02 and 125,561 is: 173,274.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,629 : 265,828.02 = 125,561 : x
  2. Step 2: Convert to fraction form
    192,629/265,828.02 = 125,561/x
  3. Step 3: Cross multiply
    192,629x = 265,828.02 × 125,561
  4. Step 4: Simplify right side
    192,629x = 33,377,632,019.22
  5. Step 5: Solve for x
    x = 33,377,632,019.22/192,629
  6. Step 6: Final answer
    x = 173,274.18

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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.