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Finding the Fourth Proportional to 110,807.16, 165,945.84 and 63,917.88

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Solution

The fourth proportional to 110,807.16, 165,945.84 and 63,917.88 is: 95,724.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,807.16 : 165,945.84 = 63,917.88 : x
  2. Step 2: Convert to fraction form
    110,807.16/165,945.84 = 63,917.88/x
  3. Step 3: Cross multiply
    110,807.16x = 165,945.84 × 63,917.88
  4. Step 4: Simplify right side
    110,807.16x = 10,606,906,287.62
  5. Step 5: Solve for x
    x = 10,606,906,287.62/110,807.16
  6. Step 6: Final answer
    x = 95,724.02

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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.