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Finding the Fourth Proportional to 143,249.76, 214,815.51 and 62,202.06

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Solution

The fourth proportional to 143,249.76, 214,815.51 and 62,202.06 is: 93,277.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,249.76 : 214,815.51 = 62,202.06 : x
  2. Step 2: Convert to fraction form
    143,249.76/214,815.51 = 62,202.06/x
  3. Step 3: Cross multiply
    143,249.76x = 214,815.51 × 62,202.06
  4. Step 4: Simplify right side
    143,249.76x = 13,361,967,241.95
  5. Step 5: Solve for x
    x = 13,361,967,241.95/143,249.76
  6. Step 6: Final answer
    x = 93,277.41

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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.