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Finding the Fourth Proportional to 192,640.80, 265,949.28 and 116,173.56

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Solution

The fourth proportional to 192,640.80, 265,949.28 and 116,173.56 is: 160,382.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,640.80 : 265,949.28 = 116,173.56 : x
  2. Step 2: Convert to fraction form
    192,640.80/265,949.28 = 116,173.56/x
  3. Step 3: Cross multiply
    192,640.80x = 265,949.28 × 116,173.56
  4. Step 4: Simplify right side
    192,640.80x = 30,896,274,637.04
  5. Step 5: Solve for x
    x = 30,896,274,637.04/192,640.80
  6. Step 6: Final answer
    x = 160,382.82

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1.5x scale

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.