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Finding the Fourth Proportional to 143,270.64, 214,905.96 and 44,774.64

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Solution

The fourth proportional to 143,270.64, 214,905.96 and 44,774.64 is: 67,161.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,270.64 : 214,905.96 = 44,774.64 : x
  2. Step 2: Convert to fraction form
    143,270.64/214,905.96 = 44,774.64/x
  3. Step 3: Cross multiply
    143,270.64x = 214,905.96 × 44,774.64
  4. Step 4: Simplify right side
    143,270.64x = 9,622,336,992.85
  5. Step 5: Solve for x
    x = 9,622,336,992.85/143,270.64
  6. Step 6: Final answer
    x = 67,161.96

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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.