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Finding the Fourth Proportional to 115,924.56, 173,769.20 and 65,901.32

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Solution

The fourth proportional to 115,924.56, 173,769.20 and 65,901.32 is: 98,785.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,924.56 : 173,769.20 = 65,901.32 : x
  2. Step 2: Convert to fraction form
    115,924.56/173,769.20 = 65,901.32/x
  3. Step 3: Cross multiply
    115,924.56x = 173,769.20 × 65,901.32
  4. Step 4: Simplify right side
    115,924.56x = 11,451,619,655.34
  5. Step 5: Solve for x
    x = 11,451,619,655.34/115,924.56
  6. Step 6: Final answer
    x = 98,785.10

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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.