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Finding the Fourth Proportional to 110,157.82, 165,109.91 and 50,868.86

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Solution

The fourth proportional to 110,157.82, 165,109.91 and 50,868.86 is: 76,244.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,157.82 : 165,109.91 = 50,868.86 : x
  2. Step 2: Convert to fraction form
    110,157.82/165,109.91 = 50,868.86/x
  3. Step 3: Cross multiply
    110,157.82x = 165,109.91 × 50,868.86
  4. Step 4: Simplify right side
    110,157.82x = 8,398,951,816.51
  5. Step 5: Solve for x
    x = 8,398,951,816.51/110,157.82
  6. Step 6: Final answer
    x = 76,244.72

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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.