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Finding the Fourth Proportional to 183,792.40, 275,542.80 and 100,686.40

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Solution

The fourth proportional to 183,792.40, 275,542.80 and 100,686.40 is: 150,949.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,792.40 : 275,542.80 = 100,686.40 : x
  2. Step 2: Convert to fraction form
    183,792.40/275,542.80 = 100,686.40/x
  3. Step 3: Cross multiply
    183,792.40x = 275,542.80 × 100,686.40
  4. Step 4: Simplify right side
    183,792.40x = 27,743,412,577.92
  5. Step 5: Solve for x
    x = 27,743,412,577.92/183,792.40
  6. Step 6: Final answer
    x = 150,949.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.