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Finding the Fourth Proportional to 225,786.40, 338,735.84 and 159,356.16

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Solution

The fourth proportional to 225,786.40, 338,735.84 and 159,356.16 is: 239,073.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,786.40 : 338,735.84 = 159,356.16 : x
  2. Step 2: Convert to fraction form
    225,786.40/338,735.84 = 159,356.16/x
  3. Step 3: Cross multiply
    225,786.40x = 338,735.84 × 159,356.16
  4. Step 4: Simplify right side
    225,786.40x = 53,979,642,716.77
  5. Step 5: Solve for x
    x = 53,979,642,716.77/225,786.40
  6. Step 6: Final answer
    x = 239,073.93

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1.5x scale

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.