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Finding the Fourth Proportional to 143,301.20, 214,951.80 and 44,805.20

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Solution

The fourth proportional to 143,301.20, 214,951.80 and 44,805.20 is: 67,207.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,301.20 : 214,951.80 = 44,805.20 : x
  2. Step 2: Convert to fraction form
    143,301.20/214,951.80 = 44,805.20/x
  3. Step 3: Cross multiply
    143,301.20x = 214,951.80 × 44,805.20
  4. Step 4: Simplify right side
    143,301.20x = 9,630,957,314.60
  5. Step 5: Solve for x
    x = 9,630,957,314.60/143,301.20
  6. Step 6: Final answer
    x = 67,207.79

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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.