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Finding the Fourth Proportional to 177,238.80, 244,900.80 and 141,721.92

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Solution

The fourth proportional to 177,238.80, 244,900.80 and 141,721.92 is: 195,825.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,238.80 : 244,900.80 = 141,721.92 : x
  2. Step 2: Convert to fraction form
    177,238.80/244,900.80 = 141,721.92/x
  3. Step 3: Cross multiply
    177,238.80x = 244,900.80 × 141,721.92
  4. Step 4: Simplify right side
    177,238.80x = 34,707,811,585.54
  5. Step 5: Solve for x
    x = 34,707,811,585.54/177,238.80
  6. Step 6: Final answer
    x = 195,825.13

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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.