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Finding the Fourth Proportional to 143,794.80, 215,910.90 and 110,552.40

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Solution

The fourth proportional to 143,794.80, 215,910.90 and 110,552.40 is: 165,996.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,794.80 : 215,910.90 = 110,552.40 : x
  2. Step 2: Convert to fraction form
    143,794.80/215,910.90 = 110,552.40/x
  3. Step 3: Cross multiply
    143,794.80x = 215,910.90 × 110,552.40
  4. Step 4: Simplify right side
    143,794.80x = 23,869,468,181.16
  5. Step 5: Solve for x
    x = 23,869,468,181.16/143,794.80
  6. Step 6: Final answer
    x = 165,996.74

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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.