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Finding the Fourth Proportional to 115,924.82, 173,769.58 and 65,901.56

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Solution

The fourth proportional to 115,924.82, 173,769.58 and 65,901.56 is: 98,785.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,924.82 : 173,769.58 = 65,901.56 : x
  2. Step 2: Convert to fraction form
    115,924.82/173,769.58 = 65,901.56/x
  3. Step 3: Cross multiply
    115,924.82x = 173,769.58 × 65,901.56
  4. Step 4: Simplify right side
    115,924.82x = 11,451,686,402.54
  5. Step 5: Solve for x
    x = 11,451,686,402.54/115,924.82
  6. Step 6: Final answer
    x = 98,785.46

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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.