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Finding the Fourth Proportional to 143,207.75, 214,894.88 and 58,976.39

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Solution

The fourth proportional to 143,207.75, 214,894.88 and 58,976.39 is: 88,498.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,207.75 : 214,894.88 = 58,976.39 : x
  2. Step 2: Convert to fraction form
    143,207.75/214,894.88 = 58,976.39/x
  3. Step 3: Cross multiply
    143,207.75x = 214,894.88 × 58,976.39
  4. Step 4: Simplify right side
    143,207.75x = 12,673,722,882.53
  5. Step 5: Solve for x
    x = 12,673,722,882.53/143,207.75
  6. Step 6: Final answer
    x = 88,498.86

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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.