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Finding the Fourth Proportional to 115,366, 159,060.84 and 96,273.28

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Solution

The fourth proportional to 115,366, 159,060.84 and 96,273.28 is: 132,736.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,366 : 159,060.84 = 96,273.28 : x
  2. Step 2: Convert to fraction form
    115,366/159,060.84 = 96,273.28/x
  3. Step 3: Cross multiply
    115,366x = 159,060.84 × 96,273.28
  4. Step 4: Simplify right side
    115,366x = 15,313,308,786.36
  5. Step 5: Solve for x
    x = 15,313,308,786.36/115,366
  6. Step 6: Final answer
    x = 132,736.76

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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.